6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Select the figure which does not belong to the group.

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

Answer & Explanation Answer: A) 4

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Select the pair that does NOT belong in the following group.

$(\sqrt{64}, 9), (\sqrt{81}, 10), (\sqrt{36}, 8), (\sqrt{121}, 12)$

A) 121, 12	B) 36, 8
C) 81, 10	D) 64, 9

Answer & Explanation Answer: B) 36, 8

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The ratio of investments of two partners is 11:12 and the ratio of their profits is 2 : 3. If A invested the money for 8 months , find for how much time B invested his money.

Answer

Suppose A invested Rs.11 for 8 months and B invested Rs. 12 for x months.

$\inline \therefore$ Ratio of investments of A and B

= (11 x 8) : (12 x x)

= 88 : 12x

$\inline \therefore$ $\inline \frac{88}{12x}=\frac{2}{3}\Rightarrow x=11$

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Subject: Partnership

26 23293

Q:

Consider the following frequency distribution:

x f

8 6

5 4

6 5

10 8

9 9

4 6

7 4

What is the median for the distribution?

A) 6	B) 7
C) 8	D) 9

Answer & Explanation Answer: C) 8

Explanation:

Summation of frequencies = 6+4+5+8+9+6+4 = 42

Median = mid value = average of 21st and 22nd value

Arranging data in increasing order we get

x f

4 6

5 4

6 5

7 4

8 6

9 9

10 8

So mid value i.e 21st and 22nd value = 8

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Filed Under: Average
Exam Prep: Bank Exams

0 23288

Q:

If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels?

A) 1/6	B) 1/2
C) 1/3	D) 1/4

Answer & Explanation Answer: A) 1/6

Explanation:

P(first letter is not vowel) = $\frac{2}{4}$

P(second letter is not vowel) = $\frac{1}{3}$

So, probability that none of letters would be vowels is = $\frac{2}{4} \times \frac{1}{3} = \frac{1}{6}$

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Filed Under: Probability

67 23247

Q:

Which of the following has the most number of divisors?

A) 99	B) 101
C) 176	D) 182

Answer & Explanation Answer: C) 176

Explanation:

99 = 1 x 3 x 3 x 11

101 = 1 x 101

176 = 1 x 2 x 2 x 2 x 2 x 11

182 = 1 x 2 x 7 x 13

So, divisors of 99 are 1, 3, 9, 11, 33, .99

Divisors of 101 are 1 and 101

Divisors of 176 are 1, 2, 4, 8, 11, 16, 22, 44, 88 and 176

Divisors of 182 are 1, 2, 7, 13, 14, 26, 91 and 182.

Hence, 176 has the most number of divisors.

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Filed Under: HCF and LCM

35 23218

Q:

The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 270. The banker's

discount is:

A) 1315	B) 1150
C) 1020	D) 980

Answer & Explanation Answer: C) 1020

Explanation:

T.D. =(B.G*100)/(R*T)=Rs(270*100)/(12*3) = Rs. 750.

B.D. = Rs.(750 + 270) = Rs. 1020.

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Filed Under: Banker's Discount

3 23188

Q:

A Certain sum of money an amounts to Rs 2500 in a span Of 5 years and further to Rs.3000 in a span of 7 years at simple interest The sum is ?

A) Rs. 1800	B) Rs. 2000
C) Rs. 1400	D) Rs. 1250

Answer & Explanation Answer: D) Rs. 1250

Explanation:

2500 in 5th year and 3000 in 7th year
So in between 2 years Rs. 500 is increased => for a year 500/2 = 250
So, per year it is increasing Rs.250 then in 5 years => 250 x 5 = 1250
Hence, the initial amount must be 2500 - 1250 = Rs. 1250

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

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Quantitative Aptitude - Arithmetic Ability Questions

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