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

122 43663

Q:

What is the value of 'x' in $2 \sqrt{3 x} - 5 \sqrt{27 x} + \sqrt{108 x} = - 21 ?$

A) 0.33	B) 1
C) 3	D) 9

Answer & Explanation Answer: C) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 43656

Q:

Find the next number in the given number series?

2, 19, 0, 21, –2, ?

A) 23	B) 25
C) 27	D) 29

Answer & Explanation Answer: A) 23

Explanation:

The given number series 2, 19, 0, 21, –2, ? follows a pattern,

2

2 + 17 = 19

19 - 19 = 0

0 + 21 = 21

21 - 23 = -2

-2 + 25 = 23

Hence, the next number in the series is 23.

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

2 43607

Q:

Find the volume (in cm³) of a cube of side 4.5 cm.

A) 55.467	B) 14.445
C) 91.125	D) 26.465

Answer & Explanation Answer: C) 91.125

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

2 43607

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 43557

Q:

A shopkeeper offers the following 3 schemes. Which scheme has the maximum discount percentage?

I. Two successive discount of 20% and 25%

II. Buy 5 get 3 free

III. Buy 5 get 6

A) Only II	B) Only I
C) Only I and II	D) Only I and III

Answer & Explanation Answer: B) Only I

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

3 43525

Q:

The area of a circle is 616 sq.cm. Find its radius (in cm).

A) 14	B) 28
C) 11	D) 22

Answer & Explanation Answer: A) 14

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 43491

Q:

In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by

A) 21 m	B) 26 m
C) 28m	D) 29m

Quantitative Aptitude - Arithmetic Ability Questions

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