6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If a stall sells a pizza at Rs 200 he makes 20% loss if he wants to make 10% profit then at what price (in Rs) should he sell?

A) 250	B) 300
C) 275	D) 325

Answer & Explanation Answer: C) 275

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 2869

Q:

$\frac{{(798 + 579)}^{2} - {(798 - 579)}^{2}}{798 x 579} =$

A) 2	B) 6
C) 4	D) 8

Answer & Explanation Answer: C) 4

Explanation:

⇒ 4(798 X 579) / (798 X 579)
⇒ 4

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2868

Q:

What is the fourth proportional to 336, 288 and 161?

A) 184	B) 115
C) 138	D) 134

Answer & Explanation Answer: C) 138

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

4 2865

Q:

The bankers discount on Rs 1800 at 12 % per annum is equal to the true discount on Rs 1872 for the same time at the same rate .Find the time.

A) 4 months	B) 5 months
C) 6 months	D) 3 months

Answer & Explanation Answer: A) 4 months

Explanation:

S.I on Rs 1800 = T.D on Rs 1872

P.W of Rs 1872 is Rs 1800

Rs 72 is S.I on Rs 1800 at 12%

Time = (100 * 72)/(12 * 1800)

= 1/3 years = 4 months

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Filed Under: Banker's Discount

0 2858

Q:

If the price of kerosene be raised by 11%, find by how much percent a house holder must reduce his consumption of kerosene so as not to increase his expenditure?

A) 11%	B) 9.09%
C) 11.09%	D) 8.25%

Answer & Explanation Answer: B) 9.09%

Explanation:

Let the price of kerosene be x and household
consumption be y.
Expenditure = xy
New cost of kerosene = 1.1x, let new household
consumption be z.
In order to not to increase expenditure,
xy = 1.1x * a
⇒ a= 10y/ 11
⇒ consumption should decrease by = 1/11 X 100 = 9.09%

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Filed Under: Percentage
Exam Prep: Bank Exams

2 2851

Q:

If the ratio of cost price and selling price is 4 : 5 ,then the percentage of profit will be

A) 20	B) 0.1
C) 10	D) 25

Answer & Explanation Answer: D) 25

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 2846

Q:

Calculate the amount on Rs. 1875 for 2 year at 4% per annum, compounded yearly.

A) Rs. 676	B) Rs. 776
C) Rs. 1778	D) Rs. 2028

Answer & Explanation Answer: D) Rs. 2028

Explanation:

Amount = P(1 + r/100)^t
Amount = 1875(1 + 4/100)^2
Amount = 1875(104/100)(104/100)
Amount = 2028

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Filed Under: Compound Interest
Exam Prep: Bank Exams

9 2845

Q:

Ankita borrows Rs. 7000 at simple Interest from a lender. Atthe end of 3 years, she again borrows Rs. 3000 and settledthat amount after paying Rs. 4615 as interest after 8 years from the time she made the first borrowing. What is the rate of interest?

A) 5.5%	B) 9.5%
C) 7.5%	D) 6.5%

Quantitative Aptitude - Arithmetic Ability Questions

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