3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Rohit, 'Kajal, Tanmay and Suman are four friends. Who is the oldest among them ?

I. The total age of Kajol and Tanmay together is more than that of Suman.

II. The total age of Rohit and Kajol together is less than that of Suntan.

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: D) If the data even in both the statements together are not sufficient to answer the question

Explanation:

From given statements, we find that K + T > S and R - K <S.

Thus. who is oldest is not known

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Filed Under: Data Sufficiency

11 17964

Q:

Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is ?

A) 5	B) 4
C) 7	D) 6

Answer & Explanation Answer: A) 5

Explanation:

Let the number be x. Then,

$3 x^{2}$ - 4x = x + 50

$3 x^{2}$ - 5x - 50 = 0

(3x + 10)(x - 5) = 0

x = 5

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Filed Under: Arithmetical Reasoning
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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16 17940

Q:

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

6, 13, 20, 27, ?

A) 34	B) 32
C) 37	D) 43

Answer & Explanation Answer: A) 34

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

2 17925

Q:

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

39, 40, 42, 43, 45, ?

A) 47	B) 46
C) 48	D) 49

Answer & Explanation Answer: B) 46

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

2 17919

Q:

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

1. Scrape

2. Scramble

3. Scream

4. Scornful

5. Scour

A) 12354	B) 35421
C) 51243	D) 45213

Answer & Explanation Answer: D) 45213

Explanation:

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

0 17895

Q:

Directions to solve :

Five boys are sitting on a bench to be photographed. Sachin is to the left of Ram and to the right of Bin. Monty is to the right of Ram. Rony is between Ram and Monty.

Who is second from the left in the photograph?

A) Rony	B) Monty
C) Bin	D) Sachin

Answer & Explanation Answer: D) Sachin

Explanation:

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

1 17856

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 17855

Q:

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

1. Journey

2. Judge

3. Jingling

4. Jingle

5. Judgement

A) 32541	B) 53142
C) 43125	D) 15342

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