6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Simplify the equation $\frac{{(0.73)}^{3} + {(0.27)}^{3}}{{(0.73)}^{2} + {(0.27)}^{2} - (0.73) \times (0.27)}$

A) 1	B) 0.4087
C) 0.73	D) 0.27

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1385

Q:

Value of (cos 53° - sin 37°) is

A) 2 sin 37 ̊	B) 2 cos 53 ̊
C) 0	D) 1

Answer & Explanation Answer: C) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1385

Q:

The length and breadth of a rectangle is in the ratio of 3 : 1. If its perimeter is 96 m, then what is the length of the rectangle?

A) 36m	B) 24m
C) 12m	D) 48m

Answer & Explanation Answer: A) 36m

Explanation:

Let the length of the rectangle be 3x and breadth be 1x
Given, perimeter = 96 m
2(l + b) = 96 (or) l + b = 48 (or) 3x + 1x = 48 (or) x = 12 m
Now, Length of the rectangle = 12 x 3 = 36 m

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

3 1384

Q:

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?

A) (23√21)/4	B) (15√21)/4
C) (17√21)/5	D) (23√21)/5

Answer & Explanation Answer: C) (17√21)/5

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 1384

Q:

A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man's rowing speed in still water is

A) 15 km/hr	B) 5 km/hr
C) 3 km/hr	D) 10 km/hr

Answer & Explanation Answer: A) 15 km/hr

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

3 1384

Q:

A person borrows some money for 4 years at the rate of simple interest. If the ratio of principal and total interest is 5 : 1, then what is the rate ( in percentage) of interest?

A) 5	B) 25
C) 10	D) 20

Answer & Explanation Answer: A) 5

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1384

Q:

In a right angled triangle if hypotenuse is 20 cm and ratio of other two sides is 4:3, the length of the sides are

A) 4 cm and 3 cm	B) 8 cm and 6 cm
C) 12 cm and 9 cm	D) 16 cm and 12 cm

Answer & Explanation Answer: D) 16 cm and 12 cm

Explanation:

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

0 1384

Q:

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

A) 72	B) 73
C) 69	D) 71

Quantitative Aptitude - Arithmetic Ability Questions

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