Logical Resoning - Syllogisms

Directions for Questions 1 to 10:
In each of the questions below are given two statements followed by two conclusions numbered I and II. You have to take the two given statements as true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow(s) from the given statements, disregarding commonly known facts.

Q.1

Statements: (A) All cats are dogs. (B) All dogs are brown.
Conclusions: I. All cats are brown. II. All brown are dogs.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.2

Statements: (A) All computers are pentiums. (B) Some pentiums are machines.
Conclusions: I. Some computers are machines. II. Some machines are computers.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.3

Statements: (A) Some apples are fruit. (B) Some fruits are sour.
Conclusions: I. Some apples are sour. II. Some sours are fruit.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.4

Statements: (A) Some rods are sticks. (B) Some scales are rods.
Conclusions: I.Some sticks are rods. II. Some scales are sticks.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.5

Statements: (A) Architects marry only fair girls. (B) Bimla is very fair.
Conclusions: I. Bimla was married to an Architect. II. Bimla was not married to an Architect.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.6

Statements: (A) Sehwag is a good batsman. (B) Batsmen are physically powerful.
Conclusions: I. All physically powerful are Batsmen. II.Sehwag is physically powerful.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.7

Statements: (A) Some cats are white. (B) Milk is white.
Conclusions: I. Some cat is milk. II. Some white is milk.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.8

Statements: (A) All pens are long. (B) All pencils are long.
Conclusions: I. All pens are pencils. II. Some pens are pencils.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.9

Statements: (A) All resorts have scenery. (B) Mahabaleshwar is a resort.
Conclusions: I. Mahabaleshwar has scenery. II.Places other than resorts don’t have scenery.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Q.10

Statements: (A) All teenagers go to cinema. (B) Raveesh doesn’t go to cinema.
Conclusions: I.Raveesh is not a teenager. II.Going to cinema is not essential to be a teenager.

if only conclusion I follows.

if only conclusion II follows.

if either I or II follows.

if neither I nor II follows

if both follow

Ans .

Explanation :
soln

Directions for Questions 11 to 40:
In each of the questions below are given three statements followed by four conclusions numbered I, II, III and IV. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow(s) from the given statements disregarding commonly known facts.

Q.11

Statements: (A) Some apples are fruits. (B) All vegetables are fruits. (C) All fruits are vegetables.
Conclusions: I. Some apples are vegetables. II. All vegetables are fruits. III.All fruits are apples. IV. All vegetables are apples.

Only I and II follow.

Only II follows.

Only I and IV follow.

Only II and IV follow.

None of these.

Ans .

Explanation :
soln

Q.12

Statements: (A) Some cars are four wheelers. (B) All four wheelers are vehicles. (C) Some vehicles are SUVs.
Conclusions: I.Some SUVs are four wheelers. II.Some vehicles are four wheelers. III. Some vehicles are cars. IV. Some SUVs are cars.

All follow

Only II & III follows

Only III follows

Either III or IV follows

None of these

Ans .

Explanation :
soln

Q.13

Statements: (A) All principals are men. (B) Some women are principals. (C) All humans are women.
Conclusions: I. All humans are men. II. Some humans are principals. III.Some men are principals. IV.All women are men.

Only I follows

Only II follows

Only I and III follow

Only III follows

None of these

Ans .

Explanation :
soln

Q.14

Statements: (A) Most architects are writers. (B) No writer is a driver. (C) All drivers are architects.
Conclusions: I. Some writers are architects. II. All architects are drivers. III. No driver is a writer. IV. Some drivers are writers.

Only I follows

Only II and III follow

Only I and III follow

Either III or IV follows

None of these

Ans .

Explanation :
soln

Q.15

Statements: (A) All registers are books. (B) All books are written materials. (C) All written materials are novels.
Conclusions: I. All books are novels. II. All written materials are registers. III. All registers are novels. IV. All novels are books.

Only I and II follow

Only II and III follow

Only I and III follow

All follow

None of these

Ans .

Explanation :
soln

Q.16

Statements: (A) Some cats are animals. (B) Some animals are mammals. (C) Some mammals are earthlings.
Conclusions: I. Some earthlings are cats. II. Some mammals are cats. III. Some earthlings are animals. IV. Some cats are earthlings.

None follow.

All follow

Only I and II follow

Only II and IV follow

Only III and IV follow

Ans .

Explanation :
soln

Q.17

Statements: (A) No apple is mango. (B) All mangoes are fruits. (C) All fruits are vegetarian.
Conclusions: I. No fruit is apple. II. No vegetarian is apple. III. Some vegetarians are mango. IV. Some vegetarians are apples.

None follows

All follow

Either II or IV and III follow

Either II or III and I follow

None of these

Ans .

Explanation :
soln

Q.18

Statements: (A) All pens are pencils. (B) Some pencils are markers. (C) All markers are ball points.
Conclusions: I. Some markers are pens. II. Some ball points are pencils. III. Some ball points are pens. IV. Some pencils are pens.

None follows

Only I and III follows

All follows

Only II and IV follows

None of these

Ans .

Explanation :
soln

Q.19

Statements: (A) Some dogs are cats. (B) Some cats are hounds. (C) Some hounds are animals.
Conclusions: I. Some animals are dogs. II. Some hounds are dogs. III. Some animals are cats. IV. No animals are cats.

None follows

Only III follows

Only either I or IV and III follows

Only either I or IV and II follows

None of these

Ans .

Explanation :
soln

Q.20

Statements: (A) All leaves are fruits. (B) No fruit is vegetable. (C) All vegetables are panthers.
Conclusions: I. Some fruits are leaves. II. All fruits are leaves. III. Some panthers are vegetables. IV. All panthers are vegetables.

Only II and IV follow

Only either I or II follow

Only either III or IV follows

All follow

None of these

Ans .

Explanation :
soln

Q.21

Statements: (A) Some panthers are cats. (B) All cats are mammals. (C) Some mammals are not panthers.
Conclusions: I. Some mammals are panthers. II. All panthers are mammals. III. All cats are panthers. IV. All mammals are panthers.

None follows

Only I follows

Only I and II follow

Only II and III follow

All follow

Ans .

Explanation :
soln

Q.22

Statements: (A) Some young are boys. (B) All boys are actors. (C) Some actors are cars.
Conclusions: I. Some actors are young. II. Some cars are young. III. Some cars are boys. IV. Some boys are young.

None follows

Only IV follows

Only I follows

Both I and IV follow

None of these

Ans .

Explanation :
soln

Q.23

Statements: (A) All actors are males. (B) Some artists are males. (C) All singers are artists.
Conclusions: I. Some artists are actors. II. Some singers are males. III. Some males are actors. IV. No singers are male.

Only either II or IV and III follow

Only either II or IV and I follow

Only either I or II and IV follow

None follows

None of these

Ans .

Explanation :
soln

Q.24

Statements: (A) All cats are drakes. (B) No drake is a mare. (C) All mares are animals.
Conclusions: I. No cat is a mare. II. Some animals are mares. III. Some drakes are cats. IV. Some cats are mares.

All follow

Only either I or II and both III and IV follow

Only either I or IV and both II and III follow

Only either I or IV and II follow

None follows

Ans .

Explanation :
soln

Q.25

Statements: (A) Some cars are vehicles. (B) Some vehicles are machines. (C) Some machines are mechanics.
Conclusions: I. Some mechanics are machines. II. Some vehicles are cars. III. Some machines are cars. IV. Some mechanics are vehicles.

All follow

Only I and II follow

Only III and IV follow

Only I and IV follow

None follows

Ans .

Explanation :
soln

Q.26

Statements: (A) All desks are boards. (B) All boards are flat. (C) All flats are white.
Conclusions: I. All whites are desks. II. All boards are white. III.Some whites are flat. IV. Some flats are desks.

All follows

Only I, II and IV follow

Only III and IV follow

II, III and IV follow

None of these

Ans .

Explanation :
soln

Q.27

Statements: (A) Some opels are televisions. (B) Some televisions are bulbs. (C) All tubes are bulbs.
Conclusions: I. Some opels are tubes.m II.Some opels are bulbs. III. No tube is opel. IV. All bulbs are tubes.

None follows

Both III and II follow

Only either II or III follows

Only either I or III follows

Only either I or IV follows

Ans .

Explanation :
soln

Q.28

Statements: (A) Some trains are cars. (B) All cars are rivers. (C) Some roads are rivers.
Conclusions: I. Some rivers are trains. II. Some roads are trains. III. Some roads are cars. IV. Some rivers are roads.

IV follows

Only I and II follow

Only either I or III follows

Only either II or III follows

Only either I or IV follows

Ans .

Explanation :
soln

Q.29

Statements: (A) All cats are Lions. (B) Some lions are mice. (C) All mice are giraffes.
Conclusions: I. Some mice are cats. II. Some giraffes are lions. III. Some giraffes are cats. IV. Some giraffes are mice.

Only I and II follow

Only I and III follow

Only II and III follow

Only III and IV follow

None of these

Ans .

Explanation :
soln

Q.30

Statements: (A) All pencils are pens. (B) No pens are markers. (C) All markers are drawings.
Conclusions: I. No pencil is a marker. II. No pencil is a drawing. III. Some drawings are pens. IV. Some markers are pencils.

Only I follows

Only I and II follow

Only II and III follow

Only III and IV follow

None of these

Ans .

Explanation :
soln

Q.31

Statements: (A) Some apples are flowers. (B) No flower is a papaya. (C) All papayas are baskets.
Conclusions: I. Some apples are baskets. II. Some baskets are papayas. III. Some baskets are apples. IV. Some flowers are apples.

All follow

None follows

Only II and IV follow

Only II and III follow

None of these

Ans .

Explanation :
soln

Q.32

Statements: (A) Some cars are horses. (B) All horses are guns. (C) All guns are cows.
Conclusions: I. Some cows are cars. II. Some cows are horses. III. Some cows are guns. IV. Some cars are guns.

None follows

Only I and II follow

Only II and III follow

Only III and IV follow

All follow

Ans .

Explanation :
soln

Q.33

Statements: (A) Some desks are apartments. (B) All apartments are cars. (C) Some cars are trucks.
Conclusions: I. Some desks are trucks. II. Some desks are cars. III. Some cars are apartments. IV. No truck is a desk.

None follows

Only II and III follow

Either only I or II, III and IV follow

Either only I or IV, and II and III follow

All follow

Ans .

Explanation :
soln

Q.34

Statements: (A) All cats are cows. (B) All horses are cows. (C) Some cows are bulls.
Conclusions: I. Some cats are horses. II. Some horses are bulls. III. Some bulls are cats. IV. All bulls are cows.

None follows

Only I follows

Only I and III follow

Only II and IV follow

All follows

Ans .

Explanation :
soln

Q.35

Statements: (A) Some cats are elephants. (B) No elephant is river. (C) All rivers are roads.
Conclusions: I. No cat is river. II. Some roads are rivers. III. Some elephants are cat. IV. Some cats are rivers.

Only I and II follow

Only II, III and IV follow

Only either I or IV and III follow

Only I, II and III follow

None of these

Ans .

Explanation :
soln

Q.36

Statements: (A) All mirrors are phones. (B) Some phones are gadgets. (C) All gadgets are mirrors.
Conclusions: I. Some gadgets are phones. II. Some gadgets are mirrors. III. Some gadgets are not mirrors. IV. Some mirrors are phones.

None follows

Only I and II follow

Only II and III follow

Either II or IV follows

None of these

Ans .

Explanation :
soln

Q.37

Statements: (A) No proud is animal. (B) Some sheeps are animals. (C) All cats are sheeps.
Conclusions: I. No cat is proud. II. Some cats are animals. III. No animal is cat. IV. Some prouds are sheeps.

Only III follows

Only either II or III follows

Only I follows

Only I and either II or III follow

None of these

Ans .

Explanation :
soln

Q.38

Statements: (A) All grapes are apples. (B) All papayas are apples. (C) Some apples are mangoes.
Conclusions: I. No grape is mango. II. Some papayas are not mangoes. III. Some grapes are papayas. IV. All mangoes are grapes.

Only I follows

Either I or III follows

Only II and III follow

Only I, II and III follow

None of these

Ans .

Explanation :
soln

Q. 39

Statements: (A) Some bats are rackets. (B) Some rackets are bats. (C) Some bats are balls.
Conclusions: I. Some balls are bats. II. Some balls are not bats. III. No racket is ball. IV. No bat is ball.

Only I and IV follow

Only II follows

Only I and III follow

Only I or IV follows

None of these.

Ans .

Explanation :
soln

Q. 40

Statements: (A) All stereos are cds. (B) Some stereos are cassettes. (C) Some cds are pens.
Conclusions: I. Some pens are stereos. II. Some cds are cassettes. III. Some pens are cassettes. IV. All stereos are pens.

Either I or IV follows

Only II and III follow

Either I or IV and II follow

Only II follows

None of these.

Ans .

Explanation :
soln

Q.41

Statements: (A) Some sacks are backs. (B) All backs are bones. (C) No bone is muscle.
Conclusions: I. Some sacks are not muscles. II. Some sacks are not bones. III. All sacks are bones. IV. No sack is muscle.

Only I follows

None follows

Only IV follows

I and either II or III follow

None of these.

Ans .

Explanation :
soln

Q.42

Statements: (A) All rackets are jackets. (B) No cow is cat. (C) Only cats are dogs.
Conclusions: I. Some rackets are not cats. II. Some cats are jackets. III. Some rackets are cats. IV. No dog is a cow.

Only either I or II and IV follow

Only II and IV follow

Only III and IV follow

Only I and IV follow

None of these.

Ans .

Explanation :
soln

Q.43

Statements: (A) All stairs are lifts. (B) No lift is an escalator. (C) Some escalators are helicopters. (D) Some lifts are planes.
Conclusions: I. No stairs is an escalator. II. Some helicopters are not escalators. III. Some stairs are planes. IV. Some helicopters are escalators.

Only I and either II or IV follow

Only I and IV follow

Either II or IV follows

Only I, III or IV follows

None of these.

Ans .

Explanation :
soln

Q.44

Statements: (A) All boxes are cartons. (B) All cartons are packages. (C) Some packages are letters. (D) No box is a parcel.
Conclusions: I. All boxes are packages. II. Some boxes are not cartons. III. All packages are letters. IV. Some packages are not letters.

Only I and either III or IV follow

Only I, II and either III or IV follow

Only I and II follow

Only I follows

None of these.

Ans .

Explanation :
soln

Q.45

Statements: (A) Most bulls are cows. (B) No bull is horse. (C) All horses are cows. br Conclusions: I. Some cows are not horses. II. All cows are not horses. III. Some bulls are cows. IV. Some bulls are not horses.

Only II, III and IV follow

Either I or II and III and IV follow

All follow

None of these.

Ans .

Explanation :
soln

Q.46

Statements: (A) Many perfumes are diamonds. (B) All aspirins are powder. (C) No perfume is powder.
Conclusions: I. Some diamonds are not powders. II. Some diamonds are powders. III. No aspirins are perfume. IV. Some diamonds are not aspirins.

Only I, III and IV follow

Either I or II and III and IV follow

Only III and IV follow

Only I and IV follow

None of these.

Ans .

Explanation :
soln

Q.47

Statements: (A) All bulls are bells. (B) Some bulls are cows. (C) Some bells are chairs.
Conclusions: I. Some cows are chairs. II. Some bells are bulls. III. All bells are cow. IV. All bells are bulls.

All follow

None follows

Only II follows

Only II and III follow

None of these.

Ans .

Explanation :
soln

Q.48

Statements: (A) Some cakes are bikes. (B) Some bikes are hills. (C) All laptops are bikes.
Conclusions: I. All laptops are hills. II. Some laptops are cakes. III. Some cakes are hills. IV. Some laptops are not cakes.

Only I follows

Only either II or IV follows

Only I or III follows

Only I and IV follows

None of these.

Ans .

Explanation :
soln

Q.49

Statements: (A) Some pots are pans. (B) Some pans are cookers. (C) Some cookers are rafts.
Conclusions: I. Some rafts are pans. II. Some cookers are pots. III. Some rafts are pans. IV. Some pots are cookers.

All follow

None follows

Only I and III follow

Only II and IV follow

None of these.

Ans .

Explanation :
soln

Q.50

Statements: (A) Most chairs are tables. (B) No chairs are trolleys. (C) All trolleys are tables.
Conclusions: I.Some tables are not trolleys. II.All tables are not trolleys. III.Some chairs are tables. IV. Some chairs are not trolleys.

Only II, III and IV follow

Either I or II, III and IV follow

Only I, III and IV follow

All follow

None of these.

Ans .

Explanation :
soln

Directions for Questions 51 to 70:
Each question contains six statements, followed by four options of combinations of any three of the given sentences. Choose the option in which the combinations are logically related.

Q.51

(A) All Martians eat sausages.
(B) All those who eat sausages are not Martians.
(C) All those who eat sausages are herbivorous.
(D) All Martians are carnivorous.
(E) All those who eat sausages are carnivorous.
(F) Martians are herbivorous.

BCE

ABE

ACD

ACF

Ans .

Explanation :
soln

Q.52

(A) All lotuses have flowers.
(B) All lotuses have nectar.
(C) All plants with nectar have flowers.
(D) All shrubs have lotuses.
(E) All shrubs have nectar.
(F) Some lotuses have flowers.

BEF

BCF

BDE

ACF

Ans .

Explanation :
soln

Q. 53

(A) No summer is a season.
(B) Some seasons are summers.
(C) Some seasons are winters.
(D) No seasons are winters.
(E) Some summers are not winters.
(F) All summers are winters.

DFA

BEF

CEB

DEB

Ans .

Explanation :
soln

Q.54

(A) All falcons fly high.
(B) All falcons are blind.
(C) All falcons are birds.
(D) All birds are yellow.
(E) All birds are thirsty.
(F) All falcons are yellow.

ABC

CDF

DEF

BCA

Ans .

Explanation :
soln

Q.55

(A) No nails are wires.
(B) Some hooks are wires.
(C) All hooks are nails.
(D) Some wires are not nails.
(E) No wire is a hook.
(F) All nails are hooks.

AED

BCF

BEF

ACE

Ans .

Explanation :
soln

Q. 56

(A) Some dabba are cobra.
(B) All dabba are chabi.
(C) All cobra are dabba.
(D) All cobra are not dabba.
(E) Some chabi are not dabba.
(F) Some chabi are cobra.

AEF

BCF

ABD

BCE

Ans .

Explanation :
soln

Q. 57

(A) No train is a claim.
(B) All heads are claims.
(C) No head is a train.
(D) Some heads are not trains.
(E) Some trains are heads.
(F) Some claims are not trains.

ACD

ADF

ABC

CDF

Ans .

Explanation :
soln

Q.58

(A) All balls are Barbie.
(B) All bats are Barbie.
(C) All bats are balls.
(D) Some bats are Barbie.
(E) Some Barbie are balls.
(F) No ball is Barbie.

CDE

CEF

ACD

BEF

Ans .

Explanation :
soln

Q.59

(A) Some apartments are not multistories.
(B) Some multistories are not apartments.
(C) No house is a skyscraper.
(D) All multistories are houses.
(E) Some multistories are apartments.
(F) Some houses are not apartments.

ACE

BDF

FDA

ACF

Ans .

Explanation :
soln

Q.60

(A) All bows are arrows.
(B) No arrow is a casket.
(C) No bow is a casket.
(D) Some caskets are arrows.
(E) Some bows are caskets.
(F) No casket is a bow.

BDE

ACB

CDF

ABF

Ans .

Explanation :
soln

Q.61

(A) Some soaps are not shampoos.
(B) Some shampoos are not soaps.
(C) No oil is shampoo.
(D) All shampoos are oils.
(E) Some shampoos are soaps.
(F) Some who are oils are not soaps.

ACF

DEF

ABC

BDF

Ans .

Explanation :
soln

Q. 62

(A) Some humans are late.
(B) All humans are bad.
(C) All late things are humans.
(D) All late things are bad.
(E) Some bad things are humans.
(F) Some bad things are late.

AFE

BCF

BCA

BCE

Ans .

Explanation :
soln

Q.63

(A) Al1 Shomes are bright.
(B) No bright Shomes are Bands.
(C) Some Shomes are Bands.
(D) Some Bands are bright.
(E) No Tom is a Band.
(F) No Band is a Shome.

ABC

BEF

ABF

CDA

Ans .

Explanation :
soln

Q.64

(A) All sorcerors are hasty.
(B) Some daredevils are hasty.
(C) All sorcerors are daredevils.
(D) All daredevils are hasty.
(E) Some hasty are daredevils.
(F) No sorceror is pasty.

BCD

CDA

DEC

FEC

Ans .

Explanation :
soln

Q.65

(A) No mango is a lingo.
(B) All tangos are lingos.
(C) No tango is a mango.
(D) Some tangos are not mangoes.
(E) Some mangoes are tangos.
(F) Some lingos are not mangoes.

ABC

ACB

DFA

BDA

Ans .

Explanation :
soln

Q. 66

(A) Some irons are made of steel.
(B) All steel is made of copper.
(C) All copper is used for making irons.
(D) Some steel is copper.
(E) Some irons are used for steel.
(F) Some copper is used for steel.

ABC

CEF

CDA

ABE

Ans .

Explanation :
soln

Q.67

(A) No tiger is carnivorous.
(B) All animals are carnivorous.
(C) Cats are carnivorous.
(D) No cat is a tiger.
(E) No tiger is an animal.
(F) All cats are animals.

ADC

ABE

FBA

AFC

Ans .

Explanation :
soln

Q.68

(A) No brother is a pro.
(B) Some pros like to work.
(C) No Indian is rude.
(D) Some rude are pros.
(E) Some pro are Indians.
(F) All Indians like to work.

ABE

CED

FEB

BEF

Ans .

Explanation :
soln

Q.69

(A) Apples are fruits.
(B) All apples are pears.
(C) Some fruits are pears.
(D) Some apples are pears.
(E) All fruits are sweet.
(F) Some pears are sweet.

DAC

CDA

BCA

EFC

Ans .

Explanation :
soln

Q. 70

(A) Santros are RIMs.
(B) Santros are cars.
(C) RIMs are cars.
(D) Fords are cars.
(E) RIMs are Fords.
(F) Fords are stable.

ACB

FED

CEA

ABC

Ans .

Explanation :
soln

Directions for Questions 71 to 75: Each question contains four arguments of three sentences each. Choose the set in which the third statement is a logical conclusion of the first two.

Q. 71

(I. Some Xs are Ps. Some Ps are Ys. Some Xs are Ys.
II. All Chandis are beautiful. Some beautiful are crazy. Some Chandis are crazy.
III. No belief is strong. Only strong have muscles. No belief has muscles.

I and IV

III only

IV only

None of these

Ans .

Explanation :
soln

Q. 72

I. Some bikes are mopeds. All mopeds are scooters. Some bikes are scooters.
II. All children are hairs. No hairs are red. No children are red.
III. No pencil is pen. Some pens are markers. Some pencils are markers.
IV. Every man has a wife. All wives are devoted. No devoted has a husband.

I, II and III

I and II

III and II

I, II and III and IV

Ans .

Explanation :
soln

Q. 73

I. No moon is not red. All stars are moon. All stars are red.
II. All doors are open. No open is outdoors. All doors are not outdoors.
III. No Japanese can fire. All Chinese are books. Japanese and Chinese can fight.
IV. No A is B. No B is C. No A is C.

I only

II only

I & II only

IV only

Ans .

Explanation :
soln

Q. 74

I. All envelopes are rectangles. All rectangles are rectangular. All envelopes are rectangular.
II. Some thin are smart. Some smart things are tiny. Some thin are tiny.
III. Learneds are well read. Well read know. Learneds know.
IV. Dieting is good for health. Health foods are rare. Dieting is rare.

IV only

III only

Both I and III

All of these

Ans .

Explanation :
soln

Q. 75

I. Shahrukh is an actor. Some actors are pretty. Shahrukh is pretty.
II. Some executives are soldiers. All soldiers are patriotic. Some executives are patriotic.
III. All cricketers are patriotic. Some executives are soldiers. Some executives are patriotic.
IV. All actors are pretty. Shahrukh is not an actor. Shahrukh is not pretty.

IV only

II only

I only

II and III

Ans .

Explanation :
soln

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