6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

ΔXYZ is right angled at Y. If sinX = 4/5, then what is the value of cosZ ?

A) 3/4	B) 5/3
C) 4/5	D) 4/3

Answer & Explanation Answer: C) 4/5

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 52259

Q:

If p : q : r = 2 : 3 : 5, then what will be the ratio of (p + q + r) : (3p + q – r)?

A) 5 : 2	B) 10 : 17
C) 9 : 4	D) 5 : 4

Answer & Explanation Answer: A) 5 : 2

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

10 52224

Q:

ΔPQR is right angled at Q. If m∠P = 60 deg, then find the value of (cotR + √3/2).

A) 3√3/2	B) 1+√3
C) (2√2+1)/2	D) (3√3+1)/6

Answer & Explanation Answer: A) 3√3/2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 52203

Q:

$Find the surface area (in {cm}^{2}) of a sphere of diameter 28 cm .$

A) 3422	B) 3852
C) 2464	D) 3550

Answer & Explanation Answer: C) 2464

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

4 52102

Q:

If LMN and UVW are similar triangles, the value of side s is

A) 4	B) 6
C) 8	D) 9

Answer & Explanation Answer: C) 8

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 52036

Q:

Seats for Mathematics, Physics and Biology in a school are in the ratio 5:7:8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ?

A) 1:2:3	B) 2:3:4
C) 3:4:5	D) 4:5:6

Answer & Explanation Answer: B) 2:3:4

Explanation:

Originally, let the number of seats for Mathematics, Physics and Biology be 5x, 7x and 8x respectively.
Number of increased seats are (140% of 5x), (150% of 7x) and (175% of 8x).
⇒ [(140/100) × 5x],[(150/100) × 7x] and [(175/100) × 8x]
⇒ 7x, 21x/2 and 14x.

⇒ The required ratio =7x : 21x/2 : 14x
⇒ 14x : 21x : 28x
⇒ 2 : 3 : 4

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Filed Under: Ratios and Proportions

162 51997

Q:

What will come in place of the question mark (?) in the following questions ?

22% of ? + 166.64 = 340

A) 788	B) 786
C) 784	D) 792

Answer & Explanation Answer: A) 788

Explanation:

(kx22)/100 = 340 - 166.64 = 173.36
k = (173.36 x 100)/22
k = 788

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

15 51868

Q:

If the perimeter of a semicircle is 72 cm, then find its area (in cm²).

A) 308	B) 616
C) 160	D) 320

Quantitative Aptitude - Arithmetic Ability Questions

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