3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

In the following question, select the related word pair from the given alternatives.

Circumference : Circle : : ? : ?

A) Cube : Volume	B) Square : Area
C) Sphere : Circle	D) Perimeter : Rectangle

Answer & Explanation Answer: D) Perimeter : Rectangle

Explanation:

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Filed Under: Analogy
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Q:

Which fraction comes next in the sequence

$\frac{2}{3}, \frac{1}{3}, \frac{5}{27}, \frac{7}{81}, ?$

A) 1/27	B) 11/278
C) 9/48	D) 7/123

Answer & Explanation Answer: A) 1/27

Explanation:

Clearly, the numerators of the fractions in the given sequence follow the series of 2, 3, 5, 7,... and the denominator follows 3, 9, 27, 81, 243, ...
Then, the next term in the given sequence is $\frac{9}{3^{5}} = \frac{9}{243} = \frac{1}{27}$ .

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Filed Under: Number Series
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Q:

K is 40 m South-West of L. If M is 40 m South-East of L, then M is in which direction of K?

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

Answer & Explanation Answer: A) East

Explanation:

Hence M is in the East of K

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Filed Under: Direction Sense Test

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Q:

A man is facing north-west. He turns $90^{o}$ in the clockwise direction, then $180^{o}$ in the anticlockwise direction and then another $90^{o}$ in the same direction. Which direction is he facing now?

A) South	B) South-west
C) South-east	D) East

Answer & Explanation Answer: C) South-east

Explanation:

As shown in fig. the man initially faces in the direction OP. On moving $90^{0}$ clockwise, he faces in the direction OX. On further moving $180^{0}$ anticlockwise, he faces in the direction OY. Finally, on moving $90^{0}$ anticlockwise, he faces in the direction OZ, which is South-east. new1497431743.jpg image

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Filed Under: Direction Sense Test
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Q:

Yard is to Fence as Cell is to

A) Mitochondria	B) Cytoplasm
C) Membrane	D) Nucleus

Answer & Explanation Answer: C) Membrane

Explanation:

Fence protects the Yard & Membrane protects the Cell.

Fence surrounds the Yard and allows the certain objects in & out of it whereas a Membrane surrounds the Cell & only allows specific nutrients inside of it.

Hence, Yard is to Fence as Cell is to Membrane.

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Filed Under: Analogy
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Q:

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

330 B 6 A 32 C 45 D 12 = ?

A) 525	B) 547
C) 582	D) 563

Answer & Explanation Answer: D) 563

Explanation:

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Filed Under: Coding and Decoding
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Q:

In the following question, select the related word pair from the given alternatives.

River : Krishna : : ? : ?

A) Planet : Sun	B) Mountain : K2
C) Moon : Satellite	D) Earth : Grass

Answer & Explanation Answer: B) Mountain : K2

Explanation:

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Q:

Select the related letters from the given alternatives.

MOQ : NLJ :: SUW : ?

A) IGE	B) CEG
C) KJI	D) HFD

Verbal Reasoning - Mental Ability Questions

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