6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find the compound amount if $1200 is deposited at 8% interest for 11 years if interest is compounded continuously

A) 1456	B) 1456
C) 1693.08	D) 1890

Answer & Explanation Answer: C) 1693.08

Explanation:

M=Pe^yr

2893.08

I=M-P

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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0 3356

Q:

James present age is 2/7th of his fathers present age. James brother is three year older to Jame. The respective ratio between present ages of James father and James brother is 14:5. What is the present age of James?

A) 12 years	B) 13 years
C) 14 years	D) 15 years

Answer & Explanation Answer: A) 12 years

Explanation:

James father present age = x
James age = 2/7 x
James brother age = 2x/7 + 3
x = 42
=> 2x/7 = 12 yrs

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

A man lent a sum of money at the rate of simple interest of 4%. If the interest for 8 years is Rs 340 less than the principal, the principal is

A) Rs 500	B) Rs 520
C) Rs 540	D) Rs 560

Answer & Explanation Answer: A) Rs 500

Explanation:

Rate = 4%

Time = 8 years

Simple Interest = PTR/100

= 32P/100

Given, P –32P/100 = 34068

P = 34000

P = 500

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Filed Under: Simple Interest

4 3352

Q:

Divide Rs. 80 in the proportion of 3:6:7.

A) Rs. 10, Rs. 35, Rs. 40	B) Rs. 15, Rs. 30, Rs. 35
C) Rs. 15, Rs. 35, Rs.30	D) Rs. 10, Rs. 40, Rs. 35

Answer & Explanation Answer: B) Rs. 15, Rs. 30, Rs. 35

Explanation:

3/16 X 80, 6/16 X 80, 7/16 X 80
⇒ 15, 30, 35

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

7 3352

Q:

Example:$800 is invested at 7% for 6 years.Find the interest compounded anually?

A) 400.58	B) 300.58
C) 200.58	D) 100.58

Answer & Explanation Answer: A) 400.58

Explanation:

M=P(1+i)^n

I=M-P

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

0 3350

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 3348

Q:

If a= $x^{\frac{1}{3}} y^{\frac{1}{3}} + x^{\frac{- 1}{3}} y^{\frac{- 1}{3}}$ then $a^{3} - 3 a y - x$ is equal to

A) y^2x	B) x^2y
C) a^2x	D) a^2y

Answer & Explanation Answer: A) y^2x

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 5x - 17 = -x + 7, then x = ?

A) 4	B) 5
C) 7	D) 9

Answer & Explanation Answer: A) 4

Explanation:

Given equation 5x-17 = -x+7

Add 1x to each side of the equation

5x-17+x = -x+7+x

6x=24

x=4

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

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Quantitative Aptitude - Arithmetic Ability Questions

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