6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

${tanAcosec}^{2} A$ is equal to

A) (1 + tan2A)cotA	B) (1 - tan2A)cotA
C) √[(1 + tan2A)cotA]	D) √[(1 - tan2A)cotA]

Answer & Explanation Answer: A) (1 + tan2A)cotA

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of $x^{4} + y^{4}$ when the value of $x^{3} + y^{3} = 8 and x + y = 2$ ?

A) 2	B) 8
C) 16	D) 32

Answer & Explanation Answer: C) 16

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the value of 'y' if $(\sqrt[4]{y^{8}}) = 225$

A) 10	B) 12
C) 15	D) 18

Answer & Explanation Answer: C) 15

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A missile travels at 1440 km/h. How many metres does it travel in one second?

A) 374 metres	B) 385 metres
C) 394 metres	D) 400 metres

Answer & Explanation Answer: D) 400 metres

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Filed Under: Time and Distance
Exam Prep: Bank Exams

1 1704

Q:

A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?

A) 60	B) 30
C) 45	D) 40

Answer & Explanation Answer: B) 30

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The diagonal of a cube is $\sqrt{192} c m$ . Its volume $(i n c m^{3})$ will be

A) 216	B) 432
C) 512	D) 624

Answer & Explanation Answer: C) 512

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

1 1703

Q:

You are given a question and two statements. Identify which of the statements is/are sufficient to answer the question.

Question:

What is the total age of the sisters 10 years from now?

Statements:

1. Lina is 20 years old now.

2. Lina's sister's age is twice that of the age of Lina.

A) Statement 1 alone is sufficient.	B) Statements 1 and 2 together are not sufficient.
C) Statement 2 alone is sufficient.	D) Statements 1 and 2 together are sufficient.

Answer & Explanation Answer: D) Statements 1 and 2 together are sufficient.

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Filed Under: Problems on Ages

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Q:

The average age of 19 boys in a class is 21 years. If the teacher's age is included, the average increases to 22 years. What is the teacher's age?

A) 39 years	B) 41 years
C) 40 years	D) 44 years

Quantitative Aptitude - Arithmetic Ability Questions

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