3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

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

i. Preview
ii. Preventive
iii. Prefer
iv. Preformation

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

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

Explanation:

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

1 13072

Q:

From the given words, select the word which cannot be formed using the letters of the given word.

SYMBOLIC

A) BASIC	B) SMILY
C) CLIMB	D) COILS

Answer & Explanation Answer: A) BASIC

Explanation:

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

0 13055

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
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

25 13054

Q:

If in a certain language CHARCOAL is coded as 45164913 and MORALE is coded as 296137, how are the following words coded in that language ? REAL

A) 8519	B) 6713
C) 6513	D) 6719

Answer & Explanation Answer: B) 6713

Explanation:

The alphabets are coded as follows :

$C H A R O L M E 4 5 1 6 9 3 2 7$

R is coded as 6,

E as 7,
A as 1 and
L as 3.
So, the code for REAL is 6713

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Filed Under: Coding and Decoding

48 13047

Q:

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

9, 10, 13, 22, 49, ?

A) 117	B) 126
C) 115	D) 130

Answer & Explanation Answer: D) 130

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

7 13036

Q:

If Q means 'add to', J means 'multiply by', T means 'substract from' and K means 'divide by' then 30 K 2 Q 3 J 6 T 5 = ?

A) 18	B) 28
C) 31	D) 103

Answer & Explanation Answer: B) 28

Explanation:

Using Correct Symbols , We have :

Given expression = 30 / 2 + 3 x 6 - 5 = 15 + 18 - 5 = 28

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Filed Under: Mathematical Operations

107 13036

Q:

A is the son of B, C. B's sister has a son D and a daughter E. F is the maternal uncle of D. How is A related to D ?

A) Cousin	B) Uncle
C) Nephew	D) Brother

Answer & Explanation Answer: A) Cousin

Explanation:

A is the son of B and D is the son of the sister of B. So, A is the cousin of D.

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Filed Under: Blood Relations

27 13031

Q:

A bird lover was asked how many birds he had in the basket. He replied that there were all parrots but six, all pigeons but six, and all koel but six. How many birds he had in the basket in all ?

A) 8	B) 18
C) 9	D) 10

Answer & Explanation Answer: C) 9

Explanation:

There were all parrots but six means that six birds were not parrots but only pigeons and koels.

Similarly, number of parrots + number of koels = 6 and number of parrots + number of pigeons = 6.

This is possible when there are 3 parrots, 3 pigeons and 3 koels i.e. 9 birds in all.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk

17 13029

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