6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Solve the following.

-4 - (-7 - 12 / 4) = ?

A) -2	B) 6
C) 0.75	D) -14

Answer & Explanation Answer: B) 6

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 52857

Q:

How many days are there in x weeks x days?

A) 7x * x	B) 8x
C) 14x	D) 7

Answer & Explanation Answer: B) 8x

Explanation:

x weeks x days = (7x + x) days = 8x days.

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Filed Under: Calendar

303 52821

Q:

Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, compounded quarterly

A) 2422	B) 2522
C) 2622	D) 2722

Answer & Explanation Answer: B) 2522

Explanation:

Principal = Rs. 16000; Time = 9 months =3 quarters;
Rate = 20% per annum = 5% per quarter.
Amount = Rs. [16000 x (1+(5/100))3] = Rs. 18522.

CJ. = Rs. (18522 - 16000) = Rs. 2522

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

89 52766

Q:

How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ?

A) 4 years	B) 2.5 years
C) 3.5 years	D) 2 years

Answer & Explanation Answer: A) 4 years

Explanation:

Time = (100 x 81) / (450 x 4.5) = 4 years.

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

109 52747

Q:

In a 1 km race, A beats B by 28 meters in 7sec. Find A's time over the course?

A) 5min,4sec	B) 4min,3sec
C) 2min,3sec	D) 3min,4sec

Answer & Explanation Answer: B) 4min,3sec

Explanation:

B covers 28 meters in 7sec. So, B's time over the course = (7/28)*100 =250 sec.

Whereas A's time over the course = 250 -7 = 243 sec.

i.e A's time over the course is 4min , 3 sec.

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Filed Under: Races and Games

83 52727

Q:

A is a working and B is sleeping partners in a business. A puts in Rs. 5000 and B puts in Rs.6000. A receives % of the profit for managing the business and the rest is divided in proportion to their capital. What does each get out of a profit of Rs. 880?

Answer

Total profit = Rs. 880

A's share for managing the business i.e

$\inline 12\frac{1}{2}$ % = $\inline \frac{25\times 880}{200}=Rs.110$