3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Select the number missing from the given sequence.

1, 2, 6, ___, 120, 720

A) 24	B) 9
C) 50	D) 12

Answer & Explanation Answer: A) 24

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

4 11900

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : When the bus starts, the person inside it falls forward.

Reason (R) : The bus pushes the man forward.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) Both A and R are false.

Answer & Explanation Answer: D) Both A and R are false.

Explanation:

When the bus starts, the person inside it falls backward because the bus moves forward but due to the property of inertia, the man tends to be in the initial Mate of rest.

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Filed Under: Assertion and Reason

16 11890

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : Carbon monoxide when inhaled causes death.

Reason (R) : Carbon monoxide combines with haemoglobin.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and It are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

Carbon monoxide, when inhaled, combines with haemoglobin of blood to form carboxyhaemoglobin which inhibits the transport of oxygen.

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6 11880

Q:

In the following question, select the missing number from the given series.

23, 19, 15, 11, ?

A) 3	B) 9
C) 5	D) 7

Answer & Explanation Answer: D) 7

Explanation:

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Filed Under: Number Series
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1 11874

Q:

Arrange the given words in the sequence in which they occur in the dictionary.

i. Latitude
ii. Longitude
iii. Laugh
iv. Latent

A) iii, ii, i, iv	B) iv, iii, i, ii
C) iv, i, iii, ii	D) iv, i, ii, iii

Answer & Explanation Answer: C) iv, i, iii, ii

Explanation:

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Filed Under: Logical Sequence of Words
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3 11872

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : Leakages in household gas cylinders can be detected.

Reason (R) : LPG has a strong smell.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: C) A is true but R is false.

Explanation:

Leakages in household gas cylinders can be detected because of the strong smell of ethyl merceptan mixed with LPG.

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3 11871

Q:

In the following question, select the missing number from the given series.

11, 13, 16, 18, 21, ?

A) 29	B) 25
C) 27	D) 23

Answer & Explanation Answer: D) 23

Explanation:

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Filed Under: Number Series
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1 11869

Q:

Identify the diagram that best represents the relationship among the given classes.

Husband, Wife, Son

A) 1	B) 2
C) 3	D) 4

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