EASY
UPSC CDS
IMPORTANT
Earn 100

In the question given below, there are two statements followed by four conclusions, numbered I, II, III and IV. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: Some books are pens. No pen is a pencil.

Conclusions:

I. Some pens are books.
II. Some pencils are books.
III. Some books are not pencils.
IV. All pencils are books.

50% studentsanswered this correctly

Important Questions on Logic

EASY
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by four conclusions, numbered I, II, III, and IV. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Statements: Some clothes are marbles. Some marbles are bags.

Conclusions:
I. No cloth is a bag.
II. All marbles are bags.
III. Some bags are clothes.
IV. No marble is a cloth.

MEDIUM
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by three conclusions, numbered I, II and III. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: All shares are debentures. No debenture is an equity.

Conclusions:

I. No equity is a share.

II. Some debentures are shares.

III. No share is an equity.

EASY
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by four conclusions, numbered I, II, III and IV. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: Some tables are TVs. Some TVs are radios.

Conclusions:

I. Some tables are radios.

II. Some radios are tables.

III. All radios are TVs.

IV. All TVs are tables.

MEDIUM
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by four conclusions, numbered I, II, III and IV. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: Some bags are pockets. No pocket is a pouch.

Conclusions:

I. No bag is a pouch.

II. Some bags are not pouches.

III. Some pockets are bags.

IV. No pocket is a bag.

EASY
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by four conclusions, numbered I, II, III and IV. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: Some taxis have horns. Some taxis have lights.

Conclusions:

I. Every taxi has either a horn or a light.

II. Some taxis have neither lights nor horns.

III. Some taxis have horns as well as lights.

IV. No taxis have horns as well as lights.

MEDIUM
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by four conclusions, numbered I, II, III and IV. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: Some houses are offices. Some offices are schools.

Conclusions:

I. Some schools are houses.

II. Some offices are houses.

III. No house is a school.

IV. Some schools are offices.

EASY
UPSC CDS
IMPORTANT

In the question given below, there are two statements followed by three conclusions, numbered I, II and III. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions, and then decide which of the given conclusions logically follow from the two given statements, disregarding commonly known facts.

Statements: No box is a toy. All toys are blocks.

Conclusions: 

I. Some blocks are toys.

II. Some blocks are boxes.

III. No block is a box.

EASY
UPSC CDS
IMPORTANT

In the question given below, select the alternative in which the third statement is implied by the first two statements.