6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A 6% stock yields 8%. The market value of the stock is:

A) 70	B) 76
C) 75	D) 80

Answer & Explanation Answer: C) 75

Explanation:

For an income of Rs. 8, investment = Rs. 100.

For an income of Rs. 6, investment = $R s . (\frac{100}{8} * 6)$ = Rs. 75.

Market value of Rs. 100 stock = Rs. 75.

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Filed Under: Stocks and Shares

1 3833

Q:

If there is a total of 104 weekly instalments and a third deposit, find the interest rate

A) 2.82	B) 3.82
C) 4.82	D) 5.82

Answer & Explanation Answer: C) 4.82

Explanation:

R = (100 x I)/( P x T)

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

0 3830

Q:

3, 12, 5, ?

A) 36	B) 26
C) 30	D) 24

Answer & Explanation Answer: C) 30

Explanation:

$3 3^{2} + 3 = 12 5 5^{2} + 5 = 30$

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

10 3827

Q:

In a test, 14% of the students failed in Maths and 22% failed in Hindi. If 18% of the students failed in both the subjects, then the percentage of students who passed in both the subjects is

A) 46	B) 44
C) 42	D) 40

Answer & Explanation Answer: A) 46

Explanation:

Let the number of students = 100

Number of students who failed in one or more subjects = 14 + 22 + 18 = 54%

The percentage of students who passed in both the subjects = 100 - 54 = 46%.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

7 3824

Q:

Simplify $4 \frac{1}{3} + 2 \frac{1}{5} + 4 \frac{1}{4} = ?$

A) 10 47/60	B) 11 45/73
C) 11 47/36	D) 10 35/48

Answer & Explanation Answer: A) 10 47/60

Explanation:

The given equation is in Mixed fraction.

Now to solve this type of fractions,

$4 \frac{1}{3} + 2 \frac{1}{5} + 4 \frac{1}{4} = ? ? = (4 + 2 + 4) + (\frac{1}{3} + \frac{1}{5} + \frac{1}{4}) ? = 10 + \frac{47}{60} ? = 10 \frac{47}{60}$

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

9 3810

Q:

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:

A) 12	B) 60
C) 72	D) 90

Answer & Explanation Answer: B) 60

Explanation:

Volume of water displaced = (3 x 2 x 0.01) = 0.06 cu.m.

Mass of man = Volume of water displaced x Density of water

= (0.06 x 1000) kg

= 60 kg.

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Filed Under: Volume and Surface Area

0 3808

Q:

Tom's father is thrice as old as Tom. 10 years ago Tom's father's age was 7 times his age. What is Tom's current age?

A) 17 years	B) 16 years
C) 15 years	D) 14 years

Answer & Explanation Answer: D) 14 years

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

24 3807

Q:

Find the probability of selecting 2 woman when four persons are choosen at random from a group of 3 men, 2 woman and 4 children.

A) 1/5	B) 1/7
C) 1/6	D) 1/9

Answer & Explanation Answer: C) 1/6

Explanation:

Out of 9 persons,4 can be choosen in $9 C_{4}$ ways =126.

Favourable events for given condition = $2 C_{2} * 7 C_{2}$ = 21.

So,required probability = 21/126 =1/6.

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Filed Under: Probability

1 3807

Quantitative Aptitude - Arithmetic Ability Questions

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