6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs 1200 for 2 years at 10% per annum. The sum placed on simple interest is

A) Rs 525	B) Rs 1050
C) Rs 260	D) Rs 420

Answer & Explanation Answer: A) Rs 525

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

The interest on Rs. 1250 for 6 years at the rate of 4% simple interest per annum will be

A) Rs. 360	B) Rs. 350
C) Rs. 375	D) Rs. 300

Answer & Explanation Answer: D) Rs. 300

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

In a factory, 60 workers can stitch 120 m of clothes in 7 days, what length of clothes can be stitched by 70 workers in 5 days?

A) 100 m	B) 90 m
C) 85 m	D) 110 m

Answer & Explanation Answer: A) 100 m

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Find the value of $\frac{(0.0112 - 0.0012) of 0.14 + 0.25 \times 0.2}{0.02 \times 0.01}$

A) 257	B) 25.7
C) 2.57	D) 0.0257

Answer & Explanation Answer: A) 257

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The sum of two numbers is equal to thrice their difference. If the smaller of the numbers is 10 find the other number.

A) 15	B) 30
C) 40	D) None of these

Answer & Explanation Answer: D) None of these

Explanation:

Let larger number be x and smaller number be y.

Also, y = 10

According to question,

⇒(x + y) = 3((x –y)⇒(x + 10) = 3(x –10)

⇒2x = 40⇒x = 20

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

Find the area (in cm²) of a semi-circle of radius 21 cm.

A) 1386	B) 960
C) 693	D) 1920

Answer & Explanation Answer: C) 693

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.

A) 107	B) 103
C) 105	D) 102

Answer & Explanation Answer: C) 105

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

What is the value of $13 x 49^{\frac{3}{2}}$ ?

A) 4369	B) 4459
C) 4549	D) 4639

Quantitative Aptitude - Arithmetic Ability Questions

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