6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If a/b = 1/4, b/c = 1/8 and a = 2 then the value of c is -

A) 8	B) 16
C) 32	D) 64

Answer & Explanation Answer: D) 64

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 31901

Q:

If $y - \frac{1}{y} = 4$ , then find the value of $(y^{3} - \frac{1}{y^{3}})$ .

A) 64	B) 76
C) 88	D) 90

Answer & Explanation Answer: B) 76

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 31884

Q:

Use continuity to evaluate the limit.

$\lim_{x \to 12} \frac{8 + x}{8 + x}$

A) 1	B) 2
C) 4	D) 0

Answer & Explanation Answer: A) 1

Explanation:

Since, we have that,

The numerator and denominator is (8+x), which is a polynomial is continuous for all the real numbers i.e. for all x belonging to .

Thus, the limit exists and is given by,

$\lim_{x \to 12} \frac{8 + x}{8 + x} = \frac{8 + 12}{8 + 12} = 1$ .

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

0 31860

Q:

Determine the nominal rate of interest if:

The periodic rate is 0.83% per month

A) 7%	B) 8%
C) 9%	D) 10%

Answer & Explanation Answer: D) 10%

Explanation:

j=mi

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

3 31857

Q:

If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is :

A) 73/77	B) 7.3/77
C) 730/77	D) 7300/77

Answer & Explanation Answer: A) 73/77

Explanation:

x / y = 0.04 / 1.5 = 4 / 150 = 2 / 75.

= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77...

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Filed Under: Decimal Fractions

83 31832

Q:

Find the odd man out?

3, 12, 39, 120, 364

A) 364	B) 120
C) 39	D) 3

Answer & Explanation Answer: A) 364

Explanation:

The given number series is 3, 12, 39, 120, 364

$3 3 + 3^{2} = 3 + 9 = 12 12 + 3^{3} = 12 + 27 = 39 39 + 3^{4} = 39 + 81 = 120 120 + 3^{5} = 120 + 243 = 363 (Not 364)$

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 31794

Q:

Which of the following statements is/are true?

$I . 11 \frac{1}{2} + 17 \frac{3}{4} - 5 \frac{1}{5} - 2 \frac{1}{10} = \frac{439}{20} II . \frac{9}{1078} > \frac{11}{1127} > \frac{12}{1219} III . \frac{149}{151} > \frac{153}{155} > \frac{157}{159}$

A) Only I	B) Only II
C) Only III	D) None is true.

Answer & Explanation Answer: A) Only I

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 31696

Q:

What is the simplified value of

$\frac{1}{\sqrt{17} - \sqrt{16}} - \frac{1}{\sqrt{16} - \sqrt{15}} + \frac{1}{\sqrt{15} - \sqrt{14}} - \frac{1}{\sqrt{14} - \sqrt{13}} + \frac{1}{\sqrt{13} - \sqrt{12}}$ ?

A) 4 – 2√3	B) √17 – 3√2
C) √17 + √12	D) 4 + 2√3

Quantitative Aptitude - Arithmetic Ability Questions

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