6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If x = 999, y = 1000, z = 1001, then the value of $\frac{x^{3} + y^{3} + z^{3} - 3 xyz}{x - y + z}$ is

A) 1000	B) 9000
C) 1	D) 9

Answer & Explanation Answer: D) 9

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2236

Q:

If 3/4 of the weight of a brick is 7/8 kg, then 5/7 of the weight of the brick will be

A) 20/21 kg	B) 5/6 kg
C) 5/8 kg	D) 15/32 kg

Answer & Explanation Answer: B) 5/6 kg

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Filed Under: Percentage
Exam Prep: Bank Exams

3 2236

Q:

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

A) 82	B) 72
C) 92	D) 62

Answer & Explanation Answer: C) 92

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

1 2235

Q:

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

A) half	B) two-third
C) one-fifth	D) one-third

Answer & Explanation Answer: B) two-third

Explanation:

The present age of Father (f) = 48 and present age of son (s) = 28.8
The age of father at his sons birth is 48 - 28.8 = 19.2
Therefore the age of father was 2/3rd of his son's age at the time of his sons birth

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT

1 2233

Q:

What is the value of $(2 / \sqrt 3 + \tan 45 °)$ ?

A) (1+√6)/√3	B) (2+√3)/√3
C) 4/√3	D) √3+2

Answer & Explanation Answer: B) (2+√3)/√3

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams
Job Role: Bank PO , Bank Clerk

0 2233

Q:

In what ratio sugar of Rs 38 per kg and Rs 30 per kg be mixed with each other so that on selling mixture at Rs 35.2 per kg there will be a profit of 10%?

A) 1 : 3	B) 3 : 7
C) 13 : 7	D) 9 : 4

Answer & Explanation Answer: A) 1 : 3

Explanation:

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

5 2233

Q:

If Sin x = 4/5, then Cosec x + Cot x =

A) 31/12	B) 35/12
C) 2	D) 1/2

Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The length of a median of an equilateral triangle is 12√3 cms. Then the area of the triangle is

A) 144 sq. cms	B) 288√3 sq. cms
C) 144√3 sq. cms	D) 288sq.cms

Quantitative Aptitude - Arithmetic Ability Questions

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