6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If N = 1 + 11 + 111 + 1111 + ... +111111111, then what is the sum of the digit's of N?

A) 45	B) 18
C) 36	D) 5

Answer & Explanation Answer: A) 45

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams

5 2717

Q:

Find the compound interest on Rs. 62500 at 21% per annum for 1.5 years.

A) Rs. 20695	B) Rs. 19687.5
C) Rs. 20687.5	D) Rs. 21638.5

Answer & Explanation Answer: C) Rs. 20687.5

Explanation:

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Filed Under: Compound Interest
Exam Prep: Bank Exams

11 2717

Q:

If 18th October 2011 was a Sunday, then what day of the week was it on 19th September 2012?

A) Thursday	B) Friday
C) Sunday	D) Monday

Answer & Explanation Answer: D) Monday

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

21 2717

Q:

A student gets 22 marks more in French than what she got in German. Her German marks are 28% of the sum of her French and German marks. What are her French marks?

A) 14	B) 36
C) 18	D) 42

Answer & Explanation Answer: B) 36

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

7 2716

Q:

The product of two 2-digit numbers is 2160 and their H.C.F. is 12. The numbers are

A) (12, 60)	B) (72, 30)
C) (36, 60)	D) (60, 72)

Answer & Explanation Answer: C) (36, 60)

Explanation:

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

22 2708

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
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 2708

Q:

Savita sold an item for 6,500 and incurred a loss of 20%. At what price should she have sold the item to have gained a profit of 20%?

A) 10,375	B) 9,750
C) 8,125	D) Cannot be determined

Answer & Explanation Answer: B) 9,750

Explanation:

C.P of article = 6500 * (100/80) = Rs. 8125 S.P for a gain of 20% = (8125*120)/100 = Rs. 9750

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Filed Under: Profit and Loss

3 2707

Q:

A student multiplied a number by 5/6 instead of 6/5. What is the percentage error in the calculation?

A) 44 percent	B) 30.56 percent
C) 15.28 percent	D) 22 percent

Quantitative Aptitude - Arithmetic Ability Questions

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