6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Buy at 30 cell at 50. What is the profit percentage?

A) 20%	B) 40%
C) 45%	D) 35%

Answer & Explanation Answer: B) 40%

Explanation:

Cost price = Rs. 30

Selling price = Rs. 50

Gain = Rs. 20

Profit % = Gain/cost price x 100 = 20/50 x 100 = 40%

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Filed Under: Profit and Loss
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13 3497

Q:

$\frac{1}{8}$ as a decimal?

A) 0.375	B) 0.247
C) 0.214	D) 0.125

Answer & Explanation Answer: D) 0.125

Explanation:

Here $\frac{1}{8}$ in decimal means 8th part in 1.

We know that $\frac{1}{10}$ = 0.1

Then, $\frac{1}{8} = ?$

=> $? = \frac{\frac{1}{8} x 0.1}{\frac{1}{10}} = \frac{0.1 x 10}{8} = \frac{0.5}{4} \frac{1}{8} = 0.125$

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Filed Under: Decimal Fractions
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4 3496

Q:

Simple Interest received by a person in 10 years on a principal of Rs 9500 is 130% of the principal. What is the rate of interest (in %) per annum?

A) 12	B) 13
C) 15	D) 19

Answer & Explanation Answer: B) 13

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

5 3492

Q:

On which dates of December, 2018 will be Wednesdays?

A) 4, 11, 18 & 25	B) 5, 12, 19 & 26
C) 3,10, 17 & 24	D) 6, 13, 20 & 27

Answer & Explanation Answer: B) 5, 12, 19 & 26

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

16 3488

Q:

36 is what percent of 80?

A) 54	B) 45
C) 60	D) 64

Answer & Explanation Answer: B) 45

Explanation:

Let 36 is p% of 80

=> p x 80/100 = 36

=> p = 36 x 10/8 = 45.

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Filed Under: Percentage
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7 3488

Q:

While selling a router, a shopkeeper gives a discount of 15%. If he gives a discount of 20%, he earns Rs. 51 less as profit. What is the original marked price of the router?

A) Rs. 1000	B) Rs. 1020
C) Rs. 1040	D) Rs. 980

Answer & Explanation Answer: B) Rs. 1020

Explanation:

Let the marked price of the router be Rs. P

From the given data,

$P x \frac{85}{100} - P x \frac{80}{100} = 51 P x \frac{5}{100} = 51 \Rightarrow P = \frac{5100}{5} = 1020$

Hence, the original marked price of the router is Rs. 1020.

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Filed Under: Profit and Loss
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7 3487

Q:

Cost of 8 pencils, 5 pens and 3 erasers is Rs 111. Cost of 9 pencils, 6 pens and 5 erasers is Rs 130. Cost of 16 pencils, 11 pens and 3 erasers is Rs 221. What is the cost (in Rs) of 39 pencils, 26 pens and 13 erasers?

A) 316	B) 546
C) 624	D) 482

Answer & Explanation Answer: B) 546

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

5 3479

Q:

Two partners M and N buy a car. M pays his share of 3/7th of the total cost of the car. M pays Rs. 31,540 less than N. What is the cost of the car?

A) Rs. 2,32,680	B) Rs. 2,03,175
C) Rs. 2,20,780	D) Rs. 1,85,780

Quantitative Aptitude - Arithmetic Ability Questions

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