6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A cuboid has dimensions 8 cm x 10 cm x 12 cm. It is cut into small cubes of side 2 cm. What is the percentage increase in the total surface area?

A) 286.2	B) 314.32
C) 250.64	D) 386.5

Answer & Explanation Answer: D) 386.5

Explanation:

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Filed Under: Volume and Surface Area
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Q:

If A = 30°, B = 60° and C = 135°, then what is the value of $\sin^{3} A + \cos^{3} B + \tan^{3} C - 3 \sin A \cos B \tan C$ ?

A) 0	B) 1
C) 8	D) 9

Answer & Explanation Answer: A) 0

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

$∆$ PQR is right angled at Q. If m∠R = 45°, then find the value of (cosecP - √3/2)

A) (3√3-1)/3	B) 2/√3
C) (2-√3)/√3	D) (2√2-√3)/2

Answer & Explanation Answer: D) (2√2-√3)/2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A rectangular swimming pool of length 30 m and breadth 15 m has a uniformly sloping floor. It is 1 m in depth on one end of its length and 2 m at the other. How much water is needed to completely fill this pool?

A) 1350 cubic mts	B) 2025 cubic mts
C) 675 cubic mts	D) 2700 cubic mts

Answer & Explanation Answer: C) 675 cubic mts

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What is the smplified value of Sin2A/1+Cos2A ?

A) tan A	B) cot A
C) sin A	D) cos A

Answer & Explanation Answer: A) tan A

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

In the following question, select the odd word from the given alternatives.

A) Flower	B) Fruit
C) Leaves	D) Root

Answer & Explanation Answer: D) Root

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

A field can be reaped by 12 men or 18 women in 14 days. In how many days can 8 men and 16 women reap it?

A) 26 days	B) 24 days
C) 9 days	D) 8 days

Answer & Explanation Answer: C) 9 days

Explanation:

12 men or 18 women can complete in 14 days

8 men and 16 women can complete in how many days

12men = 18 women (Comparing efficiencies)

1men = 18/12 = 1.5 women

8 men and 16 women = 12women + 16 women = 28 women

18 women completes in 14 days

1 woman completes in 14*18 days

28 women completes in (14*18)/28 days = 9 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?

A) 70	B) 80
C) 72	D) 84

Quantitative Aptitude - Arithmetic Ability Questions

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