6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The B.D. and T.D. on a certain sum is Rs.200 and Rs.100 respectively. Find out the sum.

A) Rs. 400	B) Rs. 300
C) Rs. 100	D) Rs. 200

Answer & Explanation Answer: D) Rs. 200

Explanation:

$F = \frac{B D \times T D}{B D - T D} = \frac{200 \times 100}{200 - 100} = \frac{200 \times 100}{100} = R s . 200$

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Filed Under: Banker's Discount

1 3745

Q:

If $a = \frac{\sqrt{5} + 1}{\sqrt{5} - 1} b = \frac{\sqrt{5} - 1}{\sqrt{5} + 1} t h e n f i n d t h e v a l u e o f [\frac{a^{2} + a b + b^{2}}{a^{2} - a b + b^{2}}] i s : :$

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

Answer & Explanation Answer: B) 4/3

Explanation:

By simplifying, we get 4/3

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

7 3738

Q:

64/12 in simplest form?

A) 19/6	B) 32/4
C) 16/3	D) None of the above

Answer & Explanation Answer: C) 16/3

Explanation:

64/12 = 16/3 in simplest form.

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

5 3730

Q:

5% of 40,000 is

A) 20000	B) 2000
C) 200	D) 20

Answer & Explanation Answer: B) 2000

Explanation:

5% of 40,000 = $\frac{5}{100} \times 40, 000 = 5 \times 400 = 2, 000$

Hence, 5% of 40,000 = 2,000.

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Filed Under: Percentage
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

7 3726

Q:

In how many ways word of 'GLACIOUS' can be arranged such that 'C' always comes at end?

A) 3360	B) 5040
C) 720	D) 1080

Answer & Explanation Answer: B) 5040

Explanation:

Given word is GLACIOUS has 8 letters.

=> C is fixed in one of the 8 places

Then, the remaining 7 letters can be arranged in 7! ways = 5040.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

2 3725

Q:

The sum of the two digits of a number is 8. If the number is subtracted from the number obtained by reversing its digits, the result is 54. Find the number ?

A) 28	B) 19
C) 37	D) 17

Answer & Explanation Answer: D) 17

Explanation:

Any two digit number can be written as (10P + Q), where P is the digit in the tens place and Q is the digit in the units place.
P + Q = 8 ----- (1)
(10Q + P) - (10P + Q) = 54
9(Q - P) = 54
(Q - P) = 6 ----- (2)
Solve (1) and (2) P = 1 and Q = 7
The required number is = 17

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Filed Under: Problems on Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

1 3724

Q:

Determine the nominal rate of interest if:
The periodic rate is 1.75% per quarter.

A) 7%	B) 8%
C) 9%	D) 10%

Answer & Explanation Answer: A) 7%

Explanation:

j=mi

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

3 3718

Q:

The cash realised on selling a 14% stock at Rs. 106.25, brokerage being $\frac{1}{4}$ %, is :

A) RS.105.50	B) RS.106
C) RS.106.50	D) RS.113.75

Answer & Explanation Answer: B) RS.106

Explanation:

Cash realised = Rs. (106.25 - 0.25) = Rs. 106.

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Filed Under: Stocks and Shares

1 3715

Quantitative Aptitude - Arithmetic Ability Questions

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