6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The ratio of present ages of R and S is 11:17. Before 11 years the ratio of their ages was 11:20. What is R's present age (in years)?

A) 51	B) 33
C) 22	D) 40

Answer & Explanation Answer: B) 33

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

5 3387

Q:

A rice trader buys 25 quintals of rice for Rs 1,825. 27% rice is lost in transportation. At what rate should he sell to earn 20% profit?

A) Rs 44.4 per quintal	B) Rs 120 per quintal
C) Rs 87.6 per quintal	D) Rs 115.8 per quintal

Answer & Explanation Answer: B) Rs 120 per quintal

Explanation:

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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT

10 3384

Q:

K men agree to donate a gift of Rs. L to trust. If three men drop out how much more will each have to contribute towards the purchase of the gift ?

A) L / (k-3)	B) k / (L-3)
C) 2K / 3L-K	D) 3L / K(K-3)

Answer & Explanation Answer: D) 3L / K(K-3)

Explanation:

Intial contribution = L/K
After 3 men drop, then contribution =L/K-3
The amount more to pay in contribution = $\frac{L}{K - 3} - \frac{L}{K}$

= $\frac{3 L}{K (K - 3)}$

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Filed Under: Numbers
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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3 3384

Q:

A, B and C received an amount of Rs 8400 and distributed among themselves in the ratio of 6 : 8 : 7 respectively. If they save in the ratio of 3 : 2 : 4 respectively and B saves Rs 400, then what is the ratio of the expenditures of A, B and C respectively?

A) 6 : 8 : 7	B) 8 : 6 : 7
C) 9 : 14 : 10	D) 12 : 7 : 9

Answer & Explanation Answer: C) 9 : 14 : 10

Explanation:

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Filed Under: Partnership
Exam Prep: Bank Exams

2 3383

Q:

The difference between the present ages of Avanthi and Kapil is 9 years. After 7 years, Kapil’s age is twice of Avanthi’s age. What will be Kapil’s age after 4 years?

A) 15	B) 16
C) 18	D) 20

Answer & Explanation Answer: A) 15

Explanation:

Let the present ages of Kapil and Avanthi be K & A

Given difference in their ages = K - A = 9 years ...........(1)

After 7 years, K + 7 = 2(A + 7) ......(2)

K + 7 = 2A + 14

K - 2A = 7 ............(3)

K - A = 9 ....(1)

From (1) & (3),

-A = -2

=> A = 2 years

=> K = 9 + 2 = 11 years

Required, age of Kapil after 4 years = 11 + 4 = 15 years.

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Filed Under: Problems on Ages
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3 3378

Q:

A man buys a watch for Rs1950 in cash and sells it for Rs 2200 at a credit of 1 yr. The rate of interest is 10% per annum. Then he gains or loose how much amount?

A) 50	B) 55
C) 15	D) 45

Answer & Explanation Answer: A) 50

Explanation:

S.P = P.W of Rs. 2200 due 1yr hence = Rs. [(2200 x 100)/100+(10 x 1)] = Rs.2000

Gain = Rs.(2000-1950) = Rs. 50

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Filed Under: True Discount

0 3377

Q:

What is the average of first 11 multiples of 11?

A) 22	B) 44
C) 55	D) 66

Answer & Explanation Answer: D) 66

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

Three partners A, B and C share profit such that three times the share of A is equal to two times the share of B and equal to 12 times the share of C. What is the ratio of the profits of A, B and C respectively?

A) 3 : 2 : 12	B) 12 : 2 : 3
C) 4 : 6 : 1	D) 1 : 6 : 4

Quantitative Aptitude - Arithmetic Ability Questions

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