6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

By selling a bag at Rs. 230, profit of 15% is made. The selling price of the bag, when it is sold at 20% profit would be

A) Rs.250	B) Rs.205
C) Rs.240	D) Rs.200

Answer & Explanation Answer: C) Rs.240

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

1st January 2018 was a Monday. Which of the following years will also start on a Monday?

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

Answer & Explanation Answer: A) 2024

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

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Q:

A sum of Rs. 2600 is invested at two different rates of interest. The difference between the simple interests got after 4 years is Rs 402.80 at these two rates, what is the difference between the rates of interest?

A) 1.58	B) 2.63
C) 3.87	D) 4.02

Answer & Explanation Answer: C) 3.87

Explanation:

Let the two different rates of interests be r1 and r2 respectively.

From the given data,

$\frac{2600 x 4 x (r 1 - r 2)}{100} = 402.80 (r 1 - r 2) = \frac{402.80}{104} = 3.87$

Hence, the difference in the interest rates = 3.87

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

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Q:

An article costs Rs 50 presently. The rate of inflation is 300%. What will be cost of this article after two years?

A) Rs 200	B) Rs 600
C) Rs 800	D) Rs 1000

Answer & Explanation Answer: C) Rs 800

Explanation:

$A = P {(1 + r / 100)}^{n} \Rightarrow 50 {(1 + 300 / 100)}^{2} \Rightarrow 50 {(4)}^{2} \Rightarrow 800$

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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Q:

1/8 as a decimal?

A) 0.125	B) 0.225
C) 0.325	D) 0.425

Answer & Explanation Answer: A) 0.125

Explanation:

1/8 to convert into decimal,

Find an equivalent fraction with a denominator of a power of 10.

In this case, we will use 1000.

$\frac{1}{8} x \frac{125}{125} = \frac{125}{1000}$

This can now be written as a decimal with 3 decimal places (because we have thousandths.

i.e, 0.125

Hence, $\frac{1}{8} as a decimal = 0.125$

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Filed Under: Decimal Fractions
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

A right triangular prism has equilateral triangle as its base. Side of the triangle is 15 cm. Height of the prism is 20√3 cm. What is the volume (in cm3) of the prism?

A) 1125	B) 6750
C) 4500	D) 3375

Answer & Explanation Answer: D) 3375

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

A) 12	B) 15
C) 18	D) 20

Answer & Explanation Answer: B) 15

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A and B are positive integers. If A + B + AB = 65, then what is the difference between A and B (A, B ≤ 15)?

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

Quantitative Aptitude - Arithmetic Ability Questions

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