3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

A girl counted in the following way on the fingers of her left hand : She started by calling the thumb 1, the index finger 2, middle finger 3, ring finger 4, little finger 5 and then reversed direction calling the ring finger 6, middle finger 7 and so on. She counted upto 1995. She ended counting on which finger ?

A) Thumb	B) Index finger
C) Ring finger	D) Middle finger

Answer & Explanation Answer: D) Middle finger

Explanation:

Clearly, while counting the numbers associated to the thumb will be 1,9,17,25,.........
i.e., numbers of the form (8n + 1 ).
where n=1,2,3...
Since 1994 = 249 × 8 + 2, so 1993 shall correspond to the thumb and 1994 to the index finger and 1995 to the middle finger.

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

9 13817

Q:

Sundar runs 20 m towards East and turns to right and runs 10 m. Then he turns to the right and runs 9 m. Again he turns to right and runs 5 m. After this he turns to left and runs 12 m and finally he turns to right and 6 m. Now to which direction is Sundar facing?

A) East	B) West
C) North	D) South

Answer & Explanation Answer: C) North

Explanation:

Therefore, it is clear that Sundar will face towards North.

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Filed Under: Direction Sense Test

25 13758

Q:

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

Assertion (A) : Gandhiji withdrew the non-cooperation movement

Reason (R) : There was violence at the Chauri Chaura outrage

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:

Gandhiji withdrew the non-cooperation movement because of the violence in the Chauri Chaura outrage.

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Filed Under: Assertion and Reason

4 13749

Q:

Ravi started walking from his house east direction on Bus stop which is 3km.away. Then he set off in the bus straight towards his right to the school 4 km away. what is the crow flight distance from his house to the school?

A) 1 km	B) 5 km
C) 7 km	D) 12 km

Answer & Explanation Answer: B) 5 km

Explanation:

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Filed Under: Direction Sense Test

42 13746

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 13733

Q:

If X is the brother of the son of Ts son, how is X related to Y?

A) Son	B) Brother
C) Cousin	D) Grandson

Answer & Explanation Answer: D) Grandson

Explanation:

Son of Y's Son — Grandson; Brother of Ts grandson — C's grandson.

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Filed Under: Blood Relations

28 13711

Q:

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

Assertion (A) : Himalayas once laid under the sea.

Reason (R) : Fossils of marine creatures are traced on the Himalayas.

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:

Himalayas are the young fold mountains that at one time are believed to lie inside the Tethys sea. This is evident from the recovery of fossils of marine creatures on its peaks.

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Filed Under: Assertion and Reason

5 13707

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 ÷

Verbal Reasoning - Mental Ability Questions

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