3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Find the Value of ?

${(5.11)}^{2.2} + {(5.55)}^{3.3} + {(6.3)}^{1.4} + {(7.2)}^{2.001} = ? x 3.34$

A) 81	B) 77
C) 73	D) 89

Answer & Explanation Answer: D) 89

Explanation:

This can be done in a method called Approximation.

Now,

$5^{2} + 6^{3} + 6 + 7^{2} = ? x 3.34 25 + 216 + 6 + 49 = ? x 3.34 296 = ? x 3.34 ? = \frac{296}{3.34} = 88.622 ≅ 89$

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Filed Under: Mathematical Operations
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Q:

K, M, P, T, __

Select the letter missing from the given letter series.

A) X	B) S
C) Y	D) Z

Answer & Explanation Answer: C) Y

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

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Q:

Select the term missing from the given series.

Y - 25, W - 23, U - 21, S - 19, ?

A) Q- 10	B) S - 8
C) Q - 17	D) P - 16

Answer & Explanation Answer: C) Q - 17

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

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Q:

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

1. Pinnacle

2. Pigment

3. Pierce

4. Phony

5. Pick

A) 52431	B) 45321
C) 12453	D) 23514

Answer & Explanation Answer: B) 45321

Explanation:

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

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Q:

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

i. Regular
ii. Reinforcement
iii. Rainbow
iv. Remedy

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

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

Explanation:

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

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Q:

In a certain code 'Black' means Orange', 'Orange' means Violet','Violet' means 'Green', 'Green' means 'White' ,'White', means 'Yellow' and 'Yellow' means 'Sky blue', what is the colour of coal ?

A) Orange	B) Sky Blue
C) Violet	D) Yellow

Answer & Explanation Answer: A) Orange

Explanation:

The colour of coal is Black. In the code language ,black is called orange. So, the colour of coal is Orange.

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Filed Under: Coding and Decoding
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Q:

In which year was Sanjay born ?

I. Sanjay is six years older than Gopal.

II. Gopal's brother was born in 1982.

III. Sanjay's brother as two years younger than Gopal's brother who was eight years younger than Gopal.

A) I and II together	B) II and III together
C) I and III together	D) I, II and III together

Answer & Explanation Answer: D) I, II and III together

Explanation:

From II, we know that Copal's brother was born in 1982. From III, we find that Gopal's brother was 8 years younger to him i.e. Copal was born in 1974. From I, we find that Sanjay is 6 years older than Gopal Thus. Sanjay was born in 1968. So. all the three statements are required.

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Filed Under: Data Sufficiency

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Q:

Oxygen : Burn :: Carbon dioxide : ?

A) Extinguish	B) Explode
C) Isolate	D) Foam

Answer & Explanation Answer: A) Extinguish

Explanation:

Oxygen helps in burnings while carbon dioxide extinguished fires.

Hence, Oxygen : Burn :: Carbon dioxide : Extinguish.

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Filed Under: Analogy
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