6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

B starts 4 minutes after A from the same point, for a place at a distance of 7 miles from the starting point. A on reaching the destination turns back and walks a mile where he meets B. If A's speed is a mile in 8 minutes then B's speed is a mile in ____ minutes.

A) 9	B) 12
C) 10	D) 8

Answer & Explanation Answer: C) 10

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

8 3444

Q:

If 3A = 2B = 4C; then what is A : B : C?

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

Answer & Explanation Answer: C) 4 : 6 : 3

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

4 3443

Q:

Bob Kashir deposited $6000 in a 4-year certificate of deposite paying 5% compounded daily.He withdrew the money 15 months later.The passbook rate at his bank is 3.5 % compounded daily.Find his amount of interest

A) 5678	B) 4563
C) 4329	D) 6210.73

Answer & Explanation Answer: D) 6210.73

Explanation:

Bob receives 15-3 = 12 months of 3.5 % interest compounded daily

M=P(1+i/365)^365n

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

0 3442

Q:

If $x = 2 + 2^{\frac{2}{3}} + 2^{\frac{1}{3}}$ then find the value of $x^{3} - 6 x^{2} + 6 x$ ?

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: B) 2

Explanation:

Given that $x = 2 + 2^{\frac{2}{3}} + 2^{\frac{1}{3}}$

So x - 2 = $2^{\frac{2}{3}} + 2^{\frac{1}{3}}$

Now cubing on both sides, we get

=> $x^{3} - 8 - 6 x^{2} + 12 x = 4 + 2 + 6 (x - 2)$

Therefore, $x^{3} - 6 x^{2} + 6 x = - 6 + 8 = 2$

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Filed Under: Square Roots and Cube Roots
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

11 3439

Q:

If $x \times y = x + y + \sqrt{x y}$ , the value of 6x24 is:

A) 41	B) 42
C) 43	D) 44

Answer & Explanation Answer: B) 42

Explanation:

$G i v e n x \times y = x + y + \sqrt{x y} H e r e x = 6, y = 24 T h e n, x \times y = 6 + 24 + \sqrt{6 x 24} 6 x 24 = 30 + \sqrt{144} = 30 + 12 = 42 .$

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Filed Under: Square Roots and Cube Roots
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

7 3437

Q:

An inspector is 228 meter behind the thief. The inspectorruns 42 meters and the thief runs 30 meters in a minute. Inwhat time will the inspector catch the thief?

A) 19 minutes	B) 20 minutes
C) 18 minutes	D) 21 minutes

Answer & Explanation Answer: A) 19 minutes

Explanation:

Inspector s 228 meter behind the thief and now aftersome x distance he will catch the thief. So
x/30 = 228+x/42 => x = 570 m
(228 + 570) / 42 = 19 min

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Filed Under: Time and Distance
Exam Prep: Bank Exams

3 3435

Q:

You put $750 into a certificate of deposit. Your simple annual interest rate is 4%. You receive a check for the interest at the end of each year. How long will it take to earn $150 in interest?

A) 5years	B) 6years
C) 7years	D) 8years

Answer & Explanation Answer: A) 5years

Explanation:

I=prt

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO

3 3433

Q:

Find the annual interest rate that produces $100,000 from $20,000 in 15 years.

A) 9.33%	B) 10.33%
C) 11.33%	D) 12.33%

Quantitative Aptitude - Arithmetic Ability Questions

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