6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A line cuts two concentric circles. The lengths of chords formed by that line on the two circles are 4 cm and 16 cm. What is the difference (in cm2) in squares of radii of two circles?

A) 240	B) 120
C) 60	D) 90

Answer & Explanation Answer: C) 60

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?

A) 18	B) 24
C) 16	D) 32

Answer & Explanation Answer: D) 32

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Exam Prep: Bank Exams

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Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

What is the simplified value of ${cosec}^{6} A - \cot^{6} A - 3 {cosec}^{2} A \cot^{2} A$ ?

A) -2	B) -1
C) 0	D) 1

Answer & Explanation Answer: D) 1

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Q:

If $\sec^{2} θ + \tan^{2} θ = 5 / 3$ , then what is the value of tan2θ?

A) 2√3	B) √3
C) 1/√3	D) Cannot be determined

Answer & Explanation Answer: B) √3

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

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Q:

Deepak marks the price of his table 60% above the cost price. He gives some discount on it and earns profit of 15.2%. What is the discount percentage?

A) 36.4	B) 28
C) 44.8	D) 38.9

Answer & Explanation Answer: B) 28

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Filed Under: Profit and Loss
Exam Prep: Bank Exams , CAT

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Q:

If the profit is 20%, then what will be the ratio of cost price to selling price respectively?

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

Answer & Explanation Answer: B) 5 : 6

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Q:

A dealer is selling an article at a discount of 5% on the Marked price. If the Marked price is 12% above the cost price and the article was sold for Rs. 532 then the cost price is (in Rs.)

A) 500	B) 525
C) 505	D) 520

Quantitative Aptitude - Arithmetic Ability Questions

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