6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A batsman scores 98 runs in the 17th match of his career. His average runs per match increased by 2.5. What is his average before the 17th match?

A) 58	B) 60.5
C) 63	D) 55.5

Answer & Explanation Answer: D) 55.5

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

0 1805

Q:

70% of the cost price of a article is equal to the 40% of its selling price. What is the profit or loss percentage?

A) 63% loss	B) 70% loss
C) 75% profit	D) 80% profit

Answer & Explanation Answer: C) 75% profit

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

5 1805

Q:

Expand and simplify ${(2 x + 5)}^{2} * (4 x - 1) - (3 x^{3} - 16 x^{2} + 25 x - 21)$

A) 13x3 + 92x2 - 55x + 4	B) 13x3 - 92x2 - 55x - 4
C) 13x3 + 92x2 + 55x - 4	D) 13x3 - 92x2 + 55x + 4

Answer & Explanation Answer: C) 13x3 + 92x2 + 55x - 4

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

1 1804

Q:

What number should be added to each of the numbers 35, 115, 53 and 165, so that the resulting numbers are in continued proportion?

A) 10	B) 12
C) 8	D) 6

Answer & Explanation Answer: A) 10

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 1804

Q:

The perimeter of a rectangle whose length is 6 metre more than its breadth is 84 metre. What is the area of the triangle whose base is equal to the diagonal of the rectangle and height is equal to the length of the rectangle?

A) 360sq metre	B) 380 sq metre
C) 360 metre	D) 400 sq metre

Answer & Explanation Answer: A) 360sq metre

Explanation:

Let the breadth of rectangle be x m.

Then, the length of rectangle = (x+ 6) m

Perimeter of rectangle = 2 (x+x+ 6) m

Therefore, 2 (x+x+ 6) = 84 m

4x+ 12 = 84

4x= 84 –12
4x = 72/4 = 18
Therefore, length of rectangle = 18 + 6 = 24 m = height of triangle

Diagonal of rectangle = √(324+576) = 30 m = base of triangle

Therefore, are of triangle =1/2× base × height =1/2× 24 × 30 = 360 sq. m

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

3 1804

Q:

The difference between compound interest compoundedevery 6 months and simple interest after 2 years is 248.10.The rate of interest is 10 percent. Find the sum

A) 12000	B) 14000
C) 16000	D) 18000

Answer & Explanation Answer: C) 16000

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Filed Under: Simple Interest

6 1803

Q:

What is the value of $\frac{1}{0.2} + \frac{1}{0.02} + \frac{1}{0.002} + . . . upto 9 terms$

A) 222222222	B) 111111111
C) 555555555	D) 525252525

Answer & Explanation Answer: C) 555555555

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Filed Under: Numbers
Exam Prep: Bank Exams

5 1801

Q:

If 2 T-shirts are offered free on purchase of 5 T-shirts, what is the effective discount (in %) on each T-shirt?

A) 40	B) 20
C) 30	D) 50

Quantitative Aptitude - Arithmetic Ability Questions

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