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Reasoning: Syllogism MCQ - Practice Questions with Answers

Solve 40 Reasoning: Syllogism questions for RAS/RPSC preparation.

Practice questions

Q1Statements: Some painters are gardeners. All gardeners are cyclists. No cyclist is a swimmer. Which of the following statements is definitely correct?

A Some painters are not swimmers
B All painters are cyclists
C Some swimmers are gardeners
D No painter is a swimmer
Explanation

Some painters are gardeners. All gardeners are cyclists, so those same painters who are gardeners are also cyclists. No cyclist is a swimmer, so those painters cannot be swimmers. This proves that some painters are not swimmers. It does not prove that every painter is a cyclist or that no painter is a swimmer, because painters outside the gardener group are not described.

Q2Statements: Some trains are buses. All buses are vehicles. Assertion: Some trains are vehicles. Reason: The trains which are buses are included in vehicles because all buses are vehicles. Choose the correct option.

A The assertion is true, but the reason is false
B The assertion is false, but the reason is true
C Both the assertion and the reason are true, but the reason does not explain the assertion
D Both the assertion and the reason are true, and the reason explains the assertion
Explanation

The first statement says that there is a definite common part between trains and buses. The second statement places every bus inside the vehicle group. Therefore the trains which are also buses must lie inside vehicles. This proves the assertion that some trains are vehicles. The reason states the same linking rule: the train-bus common part becomes part of vehicles because all buses are vehicles. So the assertion is true, the reason is true, and the reason correctly explains the assertion.

Q3Read the statements and conclusions carefully. Statements: Some files are folders. No folder is a drawer. Conclusions: 1. Some files are not drawers. 2. No drawer is a folder. Which option is correct?

A Only conclusion 1 follows
B Only conclusion 2 follows
C Both conclusions 1 and 2 follow
D Neither conclusion 1 nor conclusion 2 follows
Explanation

Some files are definitely folders. The second statement says that the folder group has no overlap with drawers. So the files that are folders must be outside the drawer group; conclusion 1 follows. Also, a universal negative statement can be converted directly. If no folder is a drawer, then no drawer is a folder. This gives conclusion 2. Both conclusions are based only on the given statements, so the correct option is that both follow.

Q4Read the statements and conclusions carefully. Statements: No poet is a dancer. Some singers are dancers. Conclusions: 1. Some singers are not poets. 2. Some dancers are singers. Which conclusion follows?

A Both conclusions 1 and 2 follow
B Only conclusion 1 follows
C Only conclusion 2 follows
D Neither conclusion 1 nor 2 follows
Explanation

The second statement gives a definite common part between singers and dancers. The first statement says no poet is a dancer, so no dancer can be a poet. Therefore the singers who are dancers cannot be poets; conclusion 1 follows as 'some singers are not poets'. Also, the particular statement 'some singers are dancers' can be converted directly to 'some dancers are singers'. Thus conclusion 2 also follows. Both conclusions are valid.

Q5Read the statements and decide which conclusion follows. Statements: All maps are charts. Some charts are guides. No guide is a ticket. Conclusions: 1. Some maps are guides. 2. Some charts are not tickets.

A Only conclusion 1 follows
B Only conclusion 2 follows
C Both conclusions 1 and 2 follow
D Neither conclusion 1 nor 2 follows
Explanation

The statement says that some charts are guides. Since no guide is a ticket, those particular charts cannot be tickets. Therefore, the conclusion 'some charts are not tickets' follows definitely. However, all maps being charts only places maps inside the chart group. It does not say that any map falls in the guide part of the chart group. So 'some maps are guides' is only possible, not certain. The only definite conclusion is that some charts are not tickets.

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More questions

6Statements: All mangoes are fruits. Some fruits are sweet. Conclusions: I. Some mangoes are sweet. II. Some fruits are mangoes. Which conclusion follows?

AOnly conclusion I follows
BOnly conclusion II follows
CBoth conclusions I and II follow
DNeither conclusion I nor II follows

7Read the following statements and conclusions. Statements: All notebooks are papers. Some papers are files. No file is a pen. Conclusions: 1. Some papers are not pens. 2. Some notebooks are files. Which conclusion follows?

AOnly conclusion 2 follows
BBoth conclusions 1 and 2 follow
CNeither conclusion 1 nor conclusion 2 follows
DOnly conclusion 1 follows

8Read the statements and conclusions carefully. Statements: All roses are flowers. Some flowers are red. Conclusions: I. Some roses are red. II. Some red things are flowers. Which conclusion follows?

AOnly conclusion I follows
BOnly conclusion II follows
CBoth conclusions I and II follow
DNeither conclusion I nor II follows

9Match each pair of statements in List 1 with the conclusion that definitely follows in List 2. List 1: P. Some coins are metals. All metals are solids. Q. No garden is a shop. Some shops are markets. R. All kites are toys. No toy is a machine. S. Some boxes are bags. All bags are containers. List 2: 1. Some markets are not gardens. 2. Some boxes are containers. 3. Some coins are solids. 4. No kite is a machine.

AP-3, Q-1, R-4, S-2
BP-2, Q-1, R-4, S-3
CP-3, Q-4, R-1, S-2
DP-1, Q-3, R-4, S-2

10Read the assertion and reason based on the statements. Statements: Some pens are pencils. All pencils are tools. Assertion: Some pens are tools. Reason: The pens that are pencils must be tools. Choose the correct relation.

AThe assertion is true, but the reason is false
BBoth the assertion and the reason are true, and the reason explains the assertion
CBoth the assertion and the reason are true, but the reason does not explain the assertion
DThe assertion is false, but the reason is true

11Read the statements and conclusions carefully. Statements: All teachers are readers. Some readers are poets. Conclusions: 1. Some teachers are poets. 2. Some poets are readers. Which conclusion definitely follows?

AOnly conclusion 1 follows
BBoth conclusions 1 and 2 follow
COnly conclusion 2 follows
DNeither conclusion follows

12Read the statements and conclusions. Choose the conclusion that does not follow. Statements: All notebooks are papers. No paper is a coin. Some coins are buttons. Conclusions: 1. No notebook is a coin. 2. Some buttons are papers. 3. Some coins are buttons. 4. No coin is a notebook.

ANo notebook is a coin
BSome coins are buttons
CSome buttons are papers
DNo coin is a notebook

13Statements: No apple is a mango. All mangoes are fruits. Which of the following conclusions follows with certainty?

AAll fruits are apples
BNo fruit is an apple
CNo mango is an apple
DSome apples are fruits

14Take the given statements to be true, even if they seem to be at variance with commonly known facts. Then decide which of the given conclusions logically follows from the given statements. Statements: No magazine is a newspaper. Some newspapers are books. All books are spoons. Conclusions: (I) Some magazines are books. (II) Some newspapers are spoons.

AOnly conclusion I follows.
BOnly conclusion II follows.
CBoth conclusions I and II follow.
DNeither conclusion I nor conclusion II follows.

15Read the assertion and the reason based on the statements. Statements: All lamps are bulbs. No bulb is a fan. Assertion: Some lamps are fans. Reason: No lamp is a fan. Choose the correct relation.

ABoth the assertion and the reason are true, and the reason explains the assertion
BBoth the assertion and the reason are true, but the reason does not explain the assertion
CThe assertion is false, but the reason is true
DThe assertion is true, but the reason is false

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