6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Reduce 2714/5074 to lowest terms.

A) 17/23	B) 29/43
C) 23/43	D) 31/37

Answer & Explanation Answer: C) 23/43

Explanation:

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

4 4379

Q:

Out of 6 green ball, 4 blue ball, in how many ways we selectone or more balls ?

A) 42	B) 34
C) 31	D) 22

Answer & Explanation Answer: B) 34

Explanation:

7 × 5 = 35

35 – 1 = 34

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Filed Under: Permutations and Combinations

6 4376

Q:

If an investment can earn 4% compounded monthly, what amount must you invest now in order to accumulate $10,000 after 3 years?

A) 8695.61	B) 6786
C) 3478	D) 4092

Answer & Explanation Answer: A) 8695.61

Explanation:

i=j/m

PV = FV (1+ i)^-n

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

0 4375

Q:

If the rate of inflation for the next 20 years is 2.5% per year, what annual income will be needed 20 years from now to have the same purchasing power as a $30,000 annual income today?

A) 39158	B) 49158
C) 59158	D) 69158

Answer & Explanation Answer: B) 49158

Explanation:

i=j/m

FV = PV(1+ i)^n

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

2 4373

Q:

Find the odd letter/word from the given alternatives.

A) Horse	B) Ewe
C) Hind	D) Bitch

Answer & Explanation Answer: A) Horse

Explanation:

Except Horse, remaining all belong to female category.

Hind - Female Deer

Ewe - Female Sheep

Bitch - Female Dog.

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

9 4373

Q:

$\sqrt{(\frac{(0.75)^{3}}{1 - 0.75} + [0.75 + {(0.75)}^{2} + 1])} = ?$

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

Answer & Explanation Answer: B) 2

Explanation:

$\sqrt{(\frac{(0.75)^{3}}{1 - 0.75} + [0.75 + (0.75)^{2} + 1])} = \sqrt{\frac{(0.75)^{3} + (1 - 0.75) [(1)^{2} + (0.75)^{2} + 1 \times 0.75]}{1 - 0.75}}$

= $\sqrt{\frac{(0.75)^{3} + [(1)^{3} - (0.75)^{3}]}{1 - 0.75}} = \sqrt{\frac{1}{0.25}} = \sqrt{4} = 2$

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Filed Under: Square Roots and Cube Roots

6 4371

Q:

4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?

A) 4	B) 8
C) 12	D) 16

Answer & Explanation Answer: D) 16

Explanation:

Let the required number of bottles be x.

More weavers, More mats (Direct Proportion)

More days, More mats (Direct Proportion)

$W a v e r s 4 : 8 D a y s 4 : 8$ :: 4:x

4 x 4 x x = 8 x 8 x 4

=> x= $\frac{8 * 8 * 4}{4 * 4}$

=> x = 16.

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Filed Under: Quantitative Aptitude - Arithmetic Ability

2 4371

Q:

A card is drawn from a pack of 52 cards. The probability of getting a queen of the club or a king of the heart is?

A) 1/26	B) 1/13
C) 2/13	D) 1/52

Answer & Explanation Answer: A) 1/26

Explanation:

Here in this pack of cards, n(S) = 52

Let E = event of getting a queen of the club or a king of the heart

Then, n(E) = 2

P(E) = n(E)/n(S) = 2/52 = 1/26

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

11 4367

Quantitative Aptitude - Arithmetic Ability Questions

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