6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A and B can complete a task in 20 days, B and C can complete it in 30 days while C and A can do the same task together in 24 days. How many days will each of and C take to complete the task individually?

A) 50 and 54	B) 54 and 72
C) 48 and 80	D) 56 and 64

Answer & Explanation Answer: C) 48 and 80

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Filed Under: Time and Work
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Q:

A factory buys 10 machines. 1 MachineA, 4 MachineB and rest MachineC. Prices of the machines are Rs 90000, Rs 40000 and Rs 40000 respectively. Calculate the average cost of these machines?

A) 56666.6	B) 68333.3
C) 45000	D) 43500

Answer & Explanation Answer: C) 45000

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If x = 11, the value of $x^{5} - 12 x^{4} + 12 x^{3} - 12 x^{2} + 12 x - 1$ is

A) 11	B) 10
C) 12	D) -10

Answer & Explanation Answer: B) 10

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 9x - 6(3 - x) = 12, then the value of x is

A) 2	B) 4
C) 6	D) 9

Answer & Explanation Answer: B) 4

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Q:

Ticket for an adult is Rs 1200 and a child is Rs 800 respectively. One child goes free with two adults. If a group has 25 adults and 5 children what is the discount the group gets?

A) 17.24 percent	B) 24. percent
C) 24.41 percent	D) 11.76 percent

Answer & Explanation Answer: D) 11.76 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Factorise $x^{2} + 3 x - 18$

A) (x+18)(x-1)	B) (x-1)(x+18)
C) (x+6)(x-3)	D) (x-6)(x+3)

Answer & Explanation Answer: C) (x+6)(x-3)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 8179	B) 7147
C) 8135	D) 9113

Answer & Explanation Answer: D) 9113

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Find the mean proportional between 2 and 98?

A) 13	B) 14.5
C) 16	D) 14

Quantitative Aptitude - Arithmetic Ability Questions

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