6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The 3rd and 8th term of an arithmetic progression are -14 and 1 respectively. What is the 11th term?

A) 14	B) 16
C) 20	D) 10

Answer & Explanation Answer: D) 10

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Filed Under: Numbers
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Q:

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is

A) cot(A - B)	B) tan(A + B)
C) cot(A + B)	D) tan(A - B)

Answer & Explanation Answer: C) cot(A + B)

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Filed Under: Simplification
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Q:

What is the value of $\frac{1}{3 \times 7} + \frac{1}{7 \times 11} + \frac{1}{11 \times 15} + . . . + \frac{1}{899 \times 903}$ ?

A) 21/509	B) 18/403
C) 25/301	D) 29/31

Answer & Explanation Answer: C) 25/301

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Q:

What is the value of $S = \frac{1}{1 x 3 x 5} + \frac{1}{1 x 4} + \frac{1}{3 x 5 x 7} + \frac{1}{4 x 7} + \frac{1}{5 x 7 x 9} + \frac{1}{7 x 10} + . . .$ upto 20 terms. Then what is the value of S?

A) 6179/15275	B) 6070/14973
C) 7191/15174	D) 5183/16423

Answer & Explanation Answer: B) 6070/14973

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Filed Under: Simplification
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Q:

What is the distance between the points (4,7) and (1,5)?

A) 10 units	B) 13 units
C) 5 units	D) 11 units

Answer & Explanation Answer: B) 13 units

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

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Q:

In the given figure, PQ is the diameter of the circle. What is the measure (in degrees) of QSR?

A) 23	B) 37
C) 47	D) 57

Answer & Explanation Answer: C) 47

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Filed Under: Volume and Surface Area
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Q:

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

A) Rs. 12000	B) Rs. 16000
C) Rs. 6000	D) Rs. 4000

Answer & Explanation Answer: D) Rs. 4000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

If PA and PB are tangents to the circle with centre O such that $∠ A P B = 50 °$ , then the $∠ O A B =$

A) 25°	B) 30°
C) 40°	D) 50°

Quantitative Aptitude - Arithmetic Ability Questions

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