6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Determine the value of $\frac{x + y}{x + 2 y} when \frac{2 x + y}{x + 4 y} = 3 .$

A) 3/5	B) 7/10
C) 4/5	D) 9/10

Answer & Explanation Answer: D) 9/10

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 43603

Q:

Select the option that can replace the question mark (?) in the following equation.

$\frac{{(0.2)}^{3} - {(0.1)}^{3}}{{(0.2 + 0.1)}^{2}}$

A) 1/18	B) 3/40
C) -7/90	D) 7/90

Answer & Explanation Answer: D) 7/90

Explanation:

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Exam Prep: Bank Exams

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Q:

A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at $6 \frac{1}{4}$ p.a for 2 years. Find his gain in the transaction per year

A) Rs. 112.50	B) Rs.150.25
C) Rs.167.50	D) Rs.170

Answer & Explanation Answer: A) Rs. 112.50

Explanation:

$g a i n i n 2 y e a r s = R s . [(5000 * \frac{25}{4} * \frac{2}{100}) - (\frac{5000 * 4 * 2}{100})]$

= Rs. (625 - 400)

= Rs. 225

$g a i n i n 1 y e a r = R s . (\frac{225}{2}) = 112.50$

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

121 43561

Q:

$What is the value of (2 + \tan 60^{0}) ?$

A) 3	B) 2/√3
C) 4/√3	D) 2+√3

Answer & Explanation Answer: D) 2+√3

Explanation:

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Q:

Find the appropriate value of '?' in ${(14.998)}^{3} = ?$

A) 3573	B) 4096
C) 3378	D) 3374

Answer & Explanation Answer: D) 3374

Explanation:

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Q:

The sum of all two digit numbers divisible by 5 is

A) 945	B) 678
C) 439	D) 568

Answer & Explanation Answer: A) 945

Explanation:

Required numbers are 10,15,20,25,...,95
This is an A.P. in which a=10,d=5 and l=95.
Let the number of terms in it be n.Then t=95
So a+(n-1)d=95.
10+(n-1)*5=95,then n=18.
Required sum=n/2(a+l)=18/2(10+95)=945.

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115 43417

Q:

If $p + \frac{1}{p} = \sqrt{10}$ , then the value of $p^{4} + \frac{1}{p^{4}}$ .

A) 52	B) 60
C) 62	D) 65

Answer & Explanation Answer: C) 62

Explanation:

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0 43406

Q:

How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?

A) 4050	B) 3600
C) 1200	D) 5040

Answer & Explanation Answer: D) 5040

Explanation:

'LOGARITHMS' contains 10 different letters.

Required number of words = Number of arrangements of 10 letters, taking 4 at a time.

= $10 P_{4}$

= 5040.

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Filed Under: Permutations and Combinations

43 43379

Quantitative Aptitude - Arithmetic Ability Questions

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