6500+ Quantitative Aptitude Questions and Answers With Explanation

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 23463

Q:

The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is

A) 30	B) 40
C) 50	D) 60

Answer & Explanation Answer: B) 40

Explanation:

Sum of the present ages of husband, wife and child = (27 x 3 + 3 x 3) years = 90 years.

Sum of the present ages of wife and child (20 x 2 + 5 x 2) years = 50 years.

Husband's present age = (90 - 50) years = 40 years.

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Filed Under: Average

14 23432

Q:

In the following question, select the related number from the given alternatives.

8 : 27 : : 64 : ?

A) 190	B) 144
C) 125	D) 72

Answer & Explanation Answer: C) 125

Explanation:

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Filed Under: Ratios and Proportions

0 23431

Q:

Find the volume (in cm3) of a hemisphere of diameter 14 cm.

A) 512.33	B) 718.67
C) 628	D) 825

Answer & Explanation Answer: B) 718.67

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

1 23427

Q:

The area of an equilateral triangle is 49√3 cm2. Find its side (in cm).

A) 7	B) 14
C) 28	D) 42

Answer & Explanation Answer: B) 14

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 23410

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

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

Workspace

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Subject: Partnership

26 23374

Q:

If the circumference of a circle is 88 cm, then what must be its area (in cm2)?

A) 1232	B) 616
C) 704	D) 1408

Answer & Explanation Answer: B) 616

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

3 23366

Q:

If (7x+5) deg and (x+5) deg are complementary angles, then find the value of x.

A) 10	B) 20
C) 30	D) 40

Quantitative Aptitude - Arithmetic Ability Questions

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