6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $a^{3} + b^{3} = 19$ and ab = -6 , then what is the value of a + b?

A) 5	B) 7
C) 1	D) -5

Answer & Explanation Answer: C) 1

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Q:

If a - b = 2 and ab = 15, then what is the value of $a^{3} - b^{3}$ ?

A) 152	B) 112
C) 108	D) 98

Answer & Explanation Answer: D) 98

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Q:

What is the value of $\sin (90 ° + 2 A) [4 - \cos 2 (90 ° - 2 A)] ?$

A) 2(cos3 A – sin3 A)	B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A)	D) 4(cos6 A – sin6 A)

Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Q:

Which of the following will yield a reclining decimal?

A) 6024	B) 3024
C) 9024	D) 12024

Answer & Explanation Answer: C) 9024

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Filed Under: Numbers

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Q:

If $\tan^{2} A / {(secA - 1)}^{2} = x$ , then the value of x is

A) (1+cosecA) / (1-cosecA)	B) (1+cosA)(1-cosA)
C) (1+cosA) / (1-cosA)	D) (1+cosecA)(1-cosecA)

Answer & Explanation Answer: C) (1+cosA) / (1-cosA)

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Q:

The bus fare between two cities is increased in the ratio 25:29. Find the increase in the fare, if the original fare is Rs. 625

A) Rs 725	B) Rs 145
C) Rs 290	D) Rs 100

Answer & Explanation Answer: D) Rs 100

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

The distance between two places A and B is 60 km. Two cars start at the same time from A and B, travelling at a speed of 35km/h and 25km/h, respectively. If the cars run in the same direction, then they will meet after ( in hours)

A) 6.5	B) 6.2
C) 6	D) 6.52

Answer & Explanation Answer: C) 6

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

A) 5/113	B) 7/120
C) 13/145	D) 17/160

Quantitative Aptitude - Arithmetic Ability Questions

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