3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row ?

A) 26	B) 24
C) 25	D) 22

Answer & Explanation Answer: C) 25

Explanation:

Number of boys in the row = number of boys uptil P + number of boys between P and Q + number of boys including Q and those behind Q = 14 + 4 + 7 = 25.

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

69 18576

Q:

517 325 639 841 792

What will be the first digit of the second highest number after the positions of only the 2nd, 3rd digits within each number are interchanged?

A) 8	B) 2
C) 7	D) 9

Answer & Explanation Answer: C) 7

Explanation:

The new numbers formed are 571, 352, 693, 814, 729

The second highest number is 729, its first digit is 7

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Filed Under: Number, Ranking and Time Sequence Test

19 18537

Q:

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

8, 16, 43, 107, 232, ?

A) 342	B) 448
C) 248	D) 528

Answer & Explanation Answer: B) 448

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

1 18513

Q:

In a certain code language, '297' means 'tie clip button'. Which number means 'button' ?

I. In that language '926' means 'clip your tie'.

II. In that language '175' means 'hole and button'.

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 even in both the statements together are not sufficient to answer the question

Answer & Explanation Answer: C) If the data either in I or II alone are sufficient to answer the question;

Explanation:

Comparing the information in the question with statement 1. we find that '2' and '9' are the codes for 'tie' and 'dip'. So, '7' represents 'button'.

Thus, I alone iS sufficient.

Again, comparing the information in the question with II, WO find that the common code number '7' stands for the common word 'button'.

Thus, II alone also is sufficient.

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Filed Under: Data Sufficiency

8 18478

Q:

How is Radha's mother's mother's daughter-in-law's daughter related to Radha?

A) Sister-in-law	B) Sister
C) Neice	D) Aunt

Answer & Explanation Answer: A) Sister-in-law

Explanation:

Radha ----> Radha's mother ------> Mother's mother => Radha's Grand-mother.

Radha's Grand-mother's daughter-in-law ------> Radha's Aunt -----> Radha's Aunt's daughter => Radha's sister-in-law.

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Filed Under: Blood Relations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

53 18470

Q:

Find the missing number in the series:

219, 211, 204, 198, ?, 189

A) 189	B) 192
C) 193	D) 196

Answer & Explanation Answer: C) 193

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

0 18462

Q:

In a code, 'lee pee tin' means 'Always keep smiling'. What is the code for ?

I. 'tin lut lee' means 'Always keep left'.

II. 'dee pee' means 'Rose smiling.

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 even in both the statements together are not sufficient to answer the question

Answer & Explanation Answer: C) If the data either in I or II alone are sufficient to answer the question;

Explanation:

Comparing the information in the question with I. we find that 'tin' and 'lee' are the codes for 'always' and 'keep'.

So. 'pee' represents 'smiling' Thus, I alone is sufficient Am.

comparing the information in the question with II, we find that the common code word 'pee' stands for the common word 'smiling'.

Thus, II alone is also sufficient

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Filed Under: Data Sufficiency

15 18436

Q:

Select the option that represents the number of triangles in the given figure.

A) 14	B) 15
C) 13	D) 17

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