6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The Simple Interest(SI) for 16 years on an amount at particular rate is Rs 10000. If the principal is doubled at an interval of every 4 years and the rate is tripled at every such in terval, find the new Simple Interest(SI)

A) 632100	B) 689620
C) 602260	D) 647500

Answer & Explanation Answer: D) 647500

Explanation:

Let New SI be X

10000/16 = X/4(1*1+2*3+4*9+8*27)

10000/16=X/4(1+6+36+216)

X=647500

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

A) 2	B) 2.5
C) 2.75	D) 3

Answer & Explanation Answer: B) 2.5

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

1 1325

Q:

Which is the correct ascending order of the given numbers?

A) 1/3,1/5,2/5	B) 1/3,2/5,1/5
C) 1/5,1/3,2/5	D) 1/5,2/5,1/3

Answer & Explanation Answer: C) 1/5,1/3,2/5

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.

A) 88	B) 55
C) 77	D) 66

Answer & Explanation Answer: C) 77

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

What is the value of $\frac{\sqrt[3]{64} \times \sqrt{121}}{\sqrt{289} - \sqrt{169}}$ ?

A) 12	B) 11
C) 1/11	D) 1/12

Answer & Explanation Answer: B) 11

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The value of $14 \div \{(5 of 2 - 3)\} x 4 (7 - 2)$ is

A) 44	B) 40
C) 1/10	D) 14/19

Answer & Explanation Answer: B) 40

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The variance of a set of data is 121. Then the standard deviation of the data is

A) +-11	B) 11
C) 21	D) 60.5

Answer & Explanation Answer: B) 11

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 29160, and Rs 31492.8 respectively, what is the rate of interest?

A) 4 percent	B) 8 percent
C) 16 percent	D) 13 percent

Quantitative Aptitude - Arithmetic Ability Questions

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