6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A, B and C start a business and the ratio of their investment is 8 : 5 : 3. If at the end the ratio of their profits is 4 : 15 : 6, then what is the ratio of time period of their investment?

A) 1 : 6 : 5	B) 2 : 3 : 4
C) 1 : 6 : 4	D) 2 : 6 : 3

Answer & Explanation Answer: C) 1 : 6 : 4

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 2227

Q:

When a discount of 20% is given on a jacket, the profit is 28%. If the discount is 13%, then the profit is

A) 39.2 percent	B) 41 percent
C) 42.8 percent	D) 37.4 percent

Answer & Explanation Answer: A) 39.2 percent

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

9 2226

Q:

In the given figure, SX is tangent. SX = OX = OR. If QX = 3 cm and PQ = 9 cm, then what is the value (in cm) of OS?

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

Answer & Explanation Answer: D) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2225

Q:

What is the value of sin (630 + A) + cos A?

A) √3/2	B) 1/2
C) 0	D) 2/√3

Answer & Explanation Answer: C) 0

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2221

Q:

The interest earned on Rs. 1600 at the rate of 5% S>I per annum for 6 yrs would be:

A) 2080	B) 450
C) 496	D) 480

Answer & Explanation Answer: D) 480

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 2220

Q:

3rd January 2018 was a Wednesday. Which of the following years will also have 3rd January on a Wednesday?

A) 2020	B) 2024
C) 2022	D) 2023

Answer & Explanation Answer: B) 2024

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

18 2220

Q:

3/8 as a decimal

A) 1.375	B) 2.375
C) 0.375	D) 3.75

Answer & Explanation Answer: C) 0.375

Explanation:

Expressing 3/8 as a decimal fraction:

We can convert 3/8 into a decimal fraction by just dividing 3 by 8 or making 3 into 8 parts.

Then, it is 3/8 = 0.375 as a decimal fraction.

Other Method::

3/8 as a Decimal :

In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple.

Now to make 8 into 1000, we multiply numerator and denominator with 125

=> ( $\frac{3 x 125}{8 x 125} = \frac{375}{1000} = 0.375$

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Filed Under: Decimal Fractions
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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3 2220

Q:

Two numbers are 50% and 75% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 50	B) 25
C) 75	D) 100

Quantitative Aptitude - Arithmetic Ability Questions

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