6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Study the information carefully to answer the following questions: An urn contains 5 red, 3 green, 2 blue and 4 yellow marbles. If three marbles are picked at random, what is the probability that one is green and two are yellow?

A) 3/14	B) 2/91
C) 9/182	D) 7/545

Answer & Explanation Answer: C) 9/182

Explanation:

Required probability = $\frac{3 \times 6}{364} = \frac{9}{182}$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

5 2004

Q:

If x + y = 10 and xy = 4, then what is the value of $x^{4} + y^{4}$ ?

A) 8464	B) 8432
C) 7478	D) 6218

Answer & Explanation Answer: B) 8432

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2003

Q:

At what rate of compound interest per annum will a sum of Rs 10000 become Rs 12321 in 2 years?

A) 22 percent	B) 11 percent
C) 7 percent	D) 15 percent

Answer & Explanation Answer: B) 11 percent

Explanation:

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Filed Under: Compound Interest
Exam Prep: AIEEE , Bank Exams , CAT

12 2003

Q:

A man spends 59% of his income and saves the rest. What percentage of his expenditure does he save?

A) 72.57 percent	B) 83.19 percent
C) 89.09 percent	D) 69.49 percent

Answer & Explanation Answer: D) 69.49 percent

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

1 2003

Q:

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

A) 1	B) 0
C) 2	D) 4

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2002

Q:

At what point does the line 2x + 5y = -6 cuts the X-axis?

A) (3, 0)	B) (0, 3)
C) (-3, 0)	D) (0, -3)

Answer & Explanation Answer: C) (-3, 0)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2001

Q:

If cotA = x, then the value of x is

A) √(sec2A + 1)	B) √(cosec2A + 1)
C) √(sec2A - 1)	D) √(cosec2A - 1)

Answer & Explanation Answer: D) √(cosec2A - 1)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2001

Q:

In ΔUVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?

A) 6.5	B) 6
C) 4	D) 5.6

Quantitative Aptitude - Arithmetic Ability Questions

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