6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If tan π/3c + cosec π/6c = x, then x is

A) (1-√2)/√2	B) (√3+4)/2√3
C) √3+2	D) (2√2-1)/2

Answer & Explanation Answer: C) √3+2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

A) 10 percent	B) 10.5 percent
C) 9.5 percent	D) 11 percent

Answer & Explanation Answer: C) 9.5 percent

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Dipali bought a set of cups for Rs. 375, but then had to sell it later to clear old stocks for Rs. 345. What is the percentage of loss that she incurred?

A) 14	B) 7
C) 16	D) 8

Answer & Explanation Answer: D) 8

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

A) 300 SQ.CM	B) 306 SQ.CM
C) 312 SQ.CM	D) 316 SQ.CM

Answer & Explanation Answer: D) 316 SQ.CM

Explanation:

Area of quadrilateral ABCD = area of triangle ADC + area of triangle ABC

= 126 + ½ * 9 * 40 = 306

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

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Q:

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

A) 15/18	B) 13/18
C) 7/9	D) 8/9

Answer & Explanation Answer: B) 13/18

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

A) 3√5	B) 3√5 – 7
C) 3√5 + 7	D) 8

Answer & Explanation Answer: B) 3√5 – 7

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

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Q:

$\tan^{3} A is equal to$

A) 3tanA - tan3A(1 - 3tan2A)	B) 3tanA + tan3A(1 - 3tan2A)
C) 3tanA - tan3A(1 + 3tan2A)	D) 3tanA + tan3A(1 + 3tan2A)

Answer & Explanation Answer: A) 3tanA - tan3A(1 - 3tan2A)

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Filed Under: Simplification
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Q:

What will be the roots of the quadratic equation $x^{2} - 25 x + 156 = 0$ ?

A) 12, 13	B) 25, 1
C) 9, 16	D) 31, 6

Quantitative Aptitude - Arithmetic Ability Questions

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