3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Find the missing number in the following series?

2, 3, 10, 39, ?, 885

A) 128	B) 156
C) 172	D) 189

Answer & Explanation Answer: C) 172

Explanation:

Take a Look at the below sereies

$2 \times 1 + (1^{2}) = 3$

$3 \times 2 + (2^{2}) = 10$

$10 \times 3 + (3^{2}) = 39$

$39 \times 4 + (4^{2}) = 172$

$172 \times 5 + (5^{2}) = 885$

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Filed Under: Number Series

75 76396

Q:

Biped : Quadruped :: Ostrich : ?

A) Cat	B) Kangaroo
C) Penguin	D) Duck

Answer & Explanation Answer: A) Cat

Explanation:

A biped is an animal that uses two legs for walking and the quadrupeds are animals that use four legs for walking.

From the Given options, Cat only have 4 legs.

So Biped : Quadruped :: Ostrich : Cat.

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

172 76197

Q:

Antonym of the word

DOLEFUL :

A) Lamentable	B) Dismal
C) Pitiful	D) Glad

Answer & Explanation Answer: D) Glad

Explanation:

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Filed Under: Alphabet Test
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

22 75853

Q:

AND FOR THE BIG SUM

If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, How many words having two vowels will be formed?

A) None	B) One
C) Two	D) Three

Answer & Explanation Answer: C) Two

Explanation:

When the second alphabets in each of the words are changed to the next alphabet in the English alphabetical order, we have

AOD FPR TIE BJG SVM

Clearly, there two words having two vowels. These words are AOD and TIE

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Filed Under: Alphabet Test

25 75825

Q:

Answer the questions based on the below information.

If '+' is 'x', '-' is '+', 'x' is '/' and '/' is '-' then 9 / 5 + 4 - 3 x 2 = ?

A) 2	B) -9
C) -3	D) -9.5

Answer & Explanation Answer: D) -9.5

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

4 75642

Q:

The Passive voice of the given Question

Didn't they tell you to be here by six O'clock ?

A) Haven't they told you to be here by six O'clock?	B) You were expected to be hare by six O'clock.
C) They expected you to be here by six O'clock.	D) Weren't you told to be here by six O'clock?

Answer & Explanation Answer: D) Weren't you told to be here by six O'clock?

Explanation:

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Filed Under: Alphabet Test
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

13 75618

Q:

If K denotes x, T denotes ÷, V denotes + and R denotes –, then

16 V 24 T 8 R 6 T 2 K 3 = ?

A) 10	B) 9
C) 12	D) 11

Answer & Explanation Answer: A) 10

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

6 75577

Q:

Select the related word/letters/number from the given alternatives.

THUNDER : UHTNRED : : THIEVES : ?

A) ITHESEV	B) IHTEESV
C) IHTESEV	D) IHTSEVE

Verbal Reasoning - Mental Ability Questions

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