EASY
UPSC CDS
IMPORTANT
Earn 100

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.

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Important Questions on Logic

EASY
UPSC CDS
IMPORTANT

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

EASY
UPSC CDS
IMPORTANT

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

MEDIUM
UPSC CDS
IMPORTANT

The question given below consists of two statements P and Q. They may look factually absurd. You have to ignore this absurdity and concentrate only upon the logic involved therein.

P: Jackals live in forests. Cities are in forests. Therefore, jackals live in cities.

Q: Some tables are grass. All stools are grass. Therefore, all tables are stools.

MEDIUM
UPSC CDS
IMPORTANT

The question given below consists of two statements P and Q. They may look factually absurd. You have to ignore this absurdity and concentrate only upon the logic involved therein.

P: Cups play chess. Chess is a difficult game. Therefore, cups play a difficult game.

Q: Ritu is a girl. All girls are timid. Therefore, Ritu is timid.

MEDIUM
UPSC CDS
IMPORTANT

The question given below consists of two statements P and Q. They may look factually absurd. You have to ignore this absurdity and concentrate only upon the logic involved therein.

P: Some musicians are not rich. All musicians are polite. Therefore, not all polite persons are rich.

Q: All musicians are rich. No rich person is polite. Therefore, musicians are not polite.

MEDIUM
UPSC CDS
IMPORTANT

The question given below consists of two statements P and Q. They may look factually absurd. You have to ignore this absurdity and concentrate only upon the logic involved therein.

P: Some mangoes are apples. All grapes are mangoes. Therefore, all apples are grapes.

Q: Some mangoes are apples. All apples are grapes. Therefore, some mangoes are grapes.

MEDIUM
UPSC CDS
IMPORTANT

The question given below consists of two statements P and Q. They may look factually absurd. You have to ignore this absurdity and concentrate only upon the logic involved therein.

P: All fishes can fly. Some fishes are birds. All birds are naughty. Therefore, some naughty can fly.

Q: Some fishes are birds. All birds are naughty. Therefore, all fishes are naughty.

EASY
UPSC CDS
IMPORTANT

In the question given below, two statements P and Q are given. Look into their logical acceptability and mark the correct answer.

P: All A’s are B’s. All B’s are C’s. Therefore, all C’s are A’s.

Q: Some A’s are B’s. All B’s are C’s. Therefore, some A’s are C’s.