6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A and B together have Rs. 6300. If 5/19 of A's amount is equal to 2/5 of B's amount. The amount of 'B' is

A) Rs. 2500	B) Rs. 3800
C) Rs.2300	D) Rs. 4000

Answer & Explanation Answer: A) Rs. 2500

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 3954

Q:

When $720 is invested for 36 months it earns $205.20 simple interest. Find the yearly interest rate.

A) 7.5%	B) 8.5%
C) 9.5%	D) 10.5%

Answer & Explanation Answer: C) 9.5%

Explanation:

r = (100 x I)/(P x T)

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

3 3953

Q:

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?

A) 2/3	B) 1/2
C) 7/8	D) 4/5

Answer & Explanation Answer: B) 1/2

Explanation:

Multiples of 3 below 20 are 3, 6, 9, 12, 15, 18
Multiples of 5 below 20 are 5, 10, 15, 20
Required number of possibilities = 10
Total number of possibilities = 20
Required probability = 10/20 = 1/2.

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Filed Under: Probability
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

4 3951

Q:

Cube root of 729 then square it

A) 9	B) 36
C) 81	D) 144

Answer & Explanation Answer: C) 81

Explanation:

729 = 9 x 9 x 9

=> Cube root of 729 = 9

Now, required square of 9 = 9 x 9 = 81.

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

4 3946

Q:

Althaf borrows Rs. 1500 from two moneylenders. He pays interest at the rate of 12% per annum for one loan and at the rate of 14% per annum for the other. The total interest he pays for the entire year is Rs. 186. How much does he borrow at the rate of 12% ?

A) Rs. 300	B) Rs. 400
C) Rs. 1200	D) Rs. 1100

Answer & Explanation Answer: C) Rs. 1200

Explanation:

Let Althaf lent Rs. A at 14% per year.
Hence, Money lent at 12% = (1500-A);
Given, total interest = Rs. 186.
{(A x 14x 1)/100} + {[(1500-A) x 12 x 1/100]} = 186;
14A/100 + (18000 -12A)/100 = 186;
14A + 18000 - 12A = 186x100;
2A = 18600-18000;
A = 600/2 = Rs. 300.
Hence, money lent at 12% = 1500-300 = Rs. 1200.

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT
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1 3944

Q:

The compound interest on Rs. 8000 for 3 year at 10% p.a. is

A) 2648	B) 2145
C) 2587	D) 2784

Answer & Explanation Answer: A) 2648

Explanation:

8000 × 33.1% = 2648

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

18 3944

Q:

The median of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

A) 1/4	B) 1/2
C) 1/6	D) 3/4

Answer & Explanation Answer: B) 1/2

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

0 3938

Q:

Based on the analogy given, find the missing number from the given options.

11 : 13 :: 17 : ___

A) 29	B) 21
C) 19	D) 23

Quantitative Aptitude - Arithmetic Ability Questions

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