6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

A) 5681	B) 5334
C) 5434	D) 5761

Answer & Explanation Answer: A) 5681

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1324

Q:

In each of the following questions, a question is followed by information given in them Statements I, II and III. You have to study the question along with the statements and decide the information given in which or the statements/ is necessary to answer the question.

What is the cost of flooring the rectangular hall?

I. Length and the breadth of the hall are in the ratio of 3:2

II. Length of the hall is 48 m and cost of flooring is ₹ 850 Per sq.m.

III. Perimeter of the hall is 160 m and cost of flooring is ₹ 850 per sq m

A) I and II	B) I and III
C) Only III	D) I and either II or III

Answer & Explanation Answer:

Explanation:

From I and II,
Length = 3x = 48 m
∴ x = 16
Breath = 2x = 32 m
Hence, Area of floor = 48 × 32
Cost of flooring = 48 × 32 × 850 = ₹ 1305600
From I and III, 2(l +b) = 160
2(3x + 2x) = 160
10x = 160
∴ x = 16
∴ Length = 3 × 16 = 48 m
Breadth = 2x = 32m
Cost of flooring = (48 × 32) × 850 = ₹ 1305600
Similarly, from II and III, we can find
l = 48 m
b = 32 m
and Total cost of flooring = ₹ 1305600

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

1 1324

Q:

If a is positive and $a^{2} + \frac{1}{a^{2}} = 7, then a^{3} + \frac{1}{a^{3}} = ?$

A) 9	B) 27
C) 18	D) 0

Answer & Explanation Answer: C) 18

Explanation:

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Filed Under: Square Roots and Cube Roots

6 1323

Q:

P and Q are at a distance of 240 km from each other at 9:00 a.m. After 1 hour, P starts moving towards Q at a speed of 25 km/hr. At 11 a.m. Q startsmoving towards P at the speed of 18 km/hr. At what time (in p.m.) will they meet?

A) 6	B) 5
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

3 1323

Q:

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?

A) 5 : 7	B) 7 : 5
C) 15 : 14	D) 2 : 3

Answer & Explanation Answer: C) 15 : 14

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

5 1323

Q:

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

A) 1/2	B) 1/√2
C) 1	D) 1/3

Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1323

Q:

Square of (7 - 4x) is

A) 16x2 - 28x + 49	B) 49 - 28x - 16x2
C) 49 - 56x - 16x2	D) 16x2 - 56x + 49

Answer & Explanation Answer: D) 16x2 - 56x + 49

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1323

Q:

If x + 1/x = 6, then value of $x^{2} + 1 / x^{2}$ is

A) 23	B) 16
C) 34	D) 32

Quantitative Aptitude - Arithmetic Ability Questions

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