6500+ Quantitative Aptitude Questions and Answers With Explanation

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 43576

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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Filed Under: Simplification
Exam Prep: Bank Exams

0 43552

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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Filed Under: Simplification
Exam Prep: Bank Exams

0 43535

Q:

Mark the odd man out of the series?

1 6 27 124 650

A) 27	B) 124
C) 6	D) 650

Answer & Explanation Answer: D) 650

Explanation:

The given series is 1 6 27 124 650

1

1 + 2 x 2 = 6

6 + 3 x 3 = 27

27 + 4 x 4 = 124

124 + 5 x 5 = 645 (NOT 650)

Hence, the odd man in the given number series is 650.

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

11 43511

Q:

$\frac{\sin 30 °}{1 + \cos 30 °} + \frac{1 + \cos 30 °}{\sin 30 °}$ = ?

A) 4	B) 3
C) 1	D) 2

Answer & Explanation Answer: A) 4

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 43492

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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Filed Under: Numbers

115 43440

Q:

∆DEF is right angled at E. If tanD = 12/5, then what is the value of secF ?

A) 5/12	B) 13/5
C) 5/13	D) 13/12

Answer & Explanation Answer: D) 13/12

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 43412

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 43387

Quantitative Aptitude - Arithmetic Ability Questions

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