3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

How many sons does X have ?

I. Q and U are brothers of T.

II. R is sister of P and U.

III. R and T are daughters of X.

A) I and 11 only	B) I, II and III together
C) II and III together	D) I, II and III together are not sufficient

Answer & Explanation Answer: D) I, II and III together are not sufficient

Explanation:

The information given in the three statements together is also not sufficient to answer the given question.

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Filed Under: Data Sufficiency

5 15762

Q:

If the positions of the first and the third digit within each number are interchanged, which of the following will be the third digit of the second lowest number ?

987, 514, 658, 487, 404, 269

A) 8	B) 9
C) 2	D) 4

Answer & Explanation Answer: D) 4

Explanation:

According to the question, after the position of the first and third digit interchanged new numbers are
789, 415, 856, 784, 404, 962

962, 856, 789, 784, 404, 415
Here the second lowest number is 404 and the last digit of it is '4'.

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Filed Under: Number, Ranking and Time Sequence Test
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

55 15754

Q:

On which day in April is Gautam's birthday ?

I. Gautam was born exactly 28 years after his mother was born.

II. His mother will be 55 years 4 months and 5 days on August 18 this year.

A) If the data in statement I alone are sufficient to answer the question	B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question;	D) If the data in both the statements together are needed.

Answer & Explanation Answer: D) If the data in both the statements together are needed.

Explanation:

Clearly, the birthday of Gautam's mother can be found out from II and then Gautam's birthday can be determined using the fact given in I. Thus, both the statements are required.

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Filed Under: Data Sufficiency

8 15744

Q:

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

i. Optimistic
ii. Opposition
iii. Organization
iv. Ordinary

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

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

Explanation:

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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

1 15737

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
Exam Prep: Bank Exams

1 15735

Q:

If the day before yesterday was Saturday, what day will fall on the day after tomorrow?

A) Friday	B) Thursday
C) Wednesday	D) Tuesday

Answer & Explanation Answer: C) Wednesday

Explanation:

If day before yesterday was Saturday, so today is Monday. Thus, tomorrow will be Tuesday and day after tomarrow will be Wednesday.

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Filed Under: Number, Ranking and Time Sequence Test

30 15706

Q:

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

21, 25, 34, 50, ?, 111

A) 80	B) 75
C) 65	D) 92

Answer & Explanation Answer: B) 75

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

5 15677

Q:

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

i. Aperture
ii. Application
iii. Appliance
iv. Appeal

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

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