Practice Questions on Logical Deduction
Logical Reasoning

Section-1: Logical Deduction Question - 1

Q1.

In all family photos, if Ramu is present, his two brothers are also present. A certain photo features five members of his family. Among the people in that photo are Ramu’s parents with their daughter. Which of these statements is necessarily true?

A.

Ramu is present in the photo

B.

Ramu is absent from the photo

C.

Ramu may or may not be present in the photo

D.

The two brothers of Ramu are present in the photo

E.

None of these 

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Section-1: Logical Deduction Question - 2

Q2.

Look at the sentences that are given below,

  1. If the contract is valid, then X is liable.
  2. If X is liable, he will be bankrupt.
  3. If the bank loans him money, he will not go bankrupt.

Select the statement that is consistent with the above statements:

A.

The contract is valid and the bank will loan him money.

B.

The contract is valid and the bank will not loan him money.

C.

The contract is not valid and he will go bankrupt.

D.

The contract is not valid and he is liable.

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Section-1: Logical Deduction Question - 3

Q3.

If all the three statements, marked (i), (ii) and (iii) are true, then which one of the following deductions, marked (A), (B), (C) and (D) can be MOST LOGICALLY deduced:

(i) Doing well in CAT implies doing well in JMET.

(ii) Good JMET results ensure that you get into one of the IITs or IISc.

(iii) Poor CAT results do not get you an admission into any of the IIMs.

A.

Doing poorly in CAT always implies doing poorly in JMET.

B.

Good CAT result ensures that one gets an admission into the IIMs.

C.

Admissions to the IITs or IISc may mean that one has done well in CAT.

D.

Anyone getting admission in one of the IIMs is guaranteed to get admission in one of the IITs or IISc.

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Common Information

Seven People A, B, C, D, E, F, G are planning to enjoy boating. There are only two boats, and the following conditions are to be kept in mind.

  1. A will go in the same boat in which E is to go.
  2. F cannot go in the same boat in which C is, unless D is also accompanying.
  3. Neither B nor C can be given the boat in which G is.
  4. The maximum number of persons in one boat can be four only.

Section-1: Logical Deduction Question - 4

Q4.

Common Information Question: 1/2

If F and B are in one boat, which of the following statements is true?

A.

G is in the other boat

B.

D is in the other boat

C.

C is in the other boat

D.

E is with F and B in one boat

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Section-1: Logical Deduction Question - 5

Q5.

Common Information Question: 2/2

If E gets the boat with F, which of the following is the complete and accurate list of the people who must be sitting in one boat?

A.

F and E

B.

G and A

C.

D and A

D.

C, D and B

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