3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

1.Water boils at 100 degree C

2.Water freezes at 0 degree C

Conclusion: At low pressure ,water boils at lower temperature

The conclusion drawn is

A) True	B) false
C) either probably true or probably false	D) Irrelavent

Answer & Explanation Answer: D) Irrelavent

Explanation:

It is irrelavent

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Filed Under: Verification of Truth of the statement

51 11889

Q:

I travel 20 miles towards north and then travel 25 miles eastward. I then travel 40 miles rightwards, then travel 30 miles towards left and then travels 12 miles to the left and finally 20 miles northwards. How far am i pproximately from my original destination and in what direction ?

A) 20 miles towards south	B) 13 miles towards south-west
C) 12 miles towards east	D) 13 miles towards north-east

Answer & Explanation Answer: B) 13 miles towards south-west

Explanation:

k41483341709.jpg image

Using pythagorus rule,

$x^{2} = 12^{2} + 5^{2}$

--> x = 13

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Filed Under: Direction Sense Test
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39 11878

Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

1 ÷ 14 x 30 + 20 - 10 = 12

A) - and +	B) ÷ and x
C) x and -	D) + and ÷

Answer & Explanation Answer: D) + and ÷

Explanation:

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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

15 11870

Q:

17 tens in unit form?

A) One 1 Seven 7 Ten 10	B) One 1 Seven 10 0 ones
C) 1 hundred, 7 tens, 0 ones	D) 1 ten and 7 ones

Answer & Explanation Answer: C) 1 hundred, 7 tens, 0 ones

Explanation:

Firstly 17 tens = 17 x 10 = 170

17 tens = 170 in unit form can be written as 1 hundred, 7 tens, 0 ones.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
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16 11843

Q:

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

Assertion (A) : Cotton is grown in alluvial soils.

Reason (R) : Alluvial soils are very fertile.

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

Explanation:

Alluvial soils comprising of silt and sand carried down by the rivers, are very fertile. However, cotton is grown in black soil that suits its mineral requirements

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Filed Under: Assertion and Reason

7 11821

Q:

Joel introduces Mary as the daughter of the only son of my father’s wife. How is Joel related to Mary ?

A) Daughter	B) Brother
C) Son	D) Father

Answer & Explanation Answer: D) Father

Explanation:

Resolving from the last , In the view of joel,
My father’s wife – mother
Only son of mother – himself i.e. joel
Daughter of john– daughter.

So Joel is Father of Mary.

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Filed Under: Blood Relations
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29 11799

Q:

In this question ,there is a word writen in capital letter, with one letter underlined. For each letter in that word there is a code written. That code is denoted by either 1 , 2, 3, 4 or 5 notin the same order. you have to find out the exact code for the underlined letter in the word. The number of that code is the answer.

$\underline{F}\;L\; I\; E\; S$

1. N 2. G 3. P 4. F 5. C

Answer

Answer : 5

Explanation : Given that, For each letter in the word (FLIES) there is a code written and also that code is denoted by either 1 , 2, 3, 4 or 5

Apply the below code, It exactly matches the Given Condition

Letters at odd- numbered places shift three positions backward and letters at even-numbered places shift two positions forward as in English alphabet.

$\therefore \: \:\: \: \: \begin{matrix} F& L& I& E& S\\ 1& 2& 3& 4& 5 \end{matrix}\: \: \: \: \: \Rightarrow \: \: \: \: \: \begin{matrix} C & N & F & G & P\\ & & & & \end{matrix}$

Here, Odd- Numbered Places F, I , S shift three positions backward in English Alphabet.

Even- Numbered Places L, E shift two positions forward in English Alphabet.

Therefore, exact code for the underline letter (F) is C.

So the Answer is 5.

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Subject: Coding and Decoding

61 11799

Q:

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

17, 20, 23, 26, 29, ?

A) 31	B) 34
C) 30	D) 32

Verbal Reasoning - Mental Ability Questions

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