6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?

A) 12 days	B) 4 days
C) 8 days	D) 16 days

Answer & Explanation Answer: C) 8 days

Explanation:

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE

2 2216

Q:

The ratio of ages of father and son is 7:2. Five years ago the product of their ages was 150. What is the age of the father?

A) 30 years	B) 45 years
C) 35 years	D) 40 years

Answer & Explanation Answer: C) 35 years

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

8 2215

Q:

In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels always come together?

A) 720	B) 1440
C) 1800	D) 3600

Answer & Explanation Answer: B) 1440

Explanation:

Given word is THERAPY.

Number of letters in the given word = 7

Number of vowels in the given word = 2 = A & E

Required number of different ways, the letters of the word THERAPY arranged such that vowels always come together is

6! x 2! = 720 x 2 = 1440.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

13 2215

Q:

If a+b=3 then the value of $a^{3} + b^{3} + 9 ab - 27$ is

A) 24	B) 25
C) 0	D) 27

Answer & Explanation Answer: C) 0

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

2 2215

Q:

In the following question, select the odd word from the given alternatives.

A) Book	B) Pen
C) Pencil	D) Wax Colours

Answer & Explanation Answer: A) Book

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 2215

Q:

A right circular cylinder has height 28 cm and radius of base 14 cm. Two hemispheres of radius 7 cm each are cut from each of the two bases of the cylinder. What is the total surface area (in cm2) of the remaining part?

A) 3842	B) 4312
C) 3296	D) 4436

Answer & Explanation Answer: B) 4312

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

3 2215

Q:

If $\sec^{2} A + {cosec}^{2} A = X$ , then the value of X is

A) tan2A cot2A	B) sinA cosA
C) secA cosecA	D) sec2A cosec2A

Answer & Explanation Answer: D) sec2A cosec2A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2214

Q:

The selling price of 6 bananas is equal to the cost price of 8 bananas. Then the percentage of profit is

A) 20	B) 33 1/3
C) 25	D) 30

Quantitative Aptitude - Arithmetic Ability Questions

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