Quantiative Aptitude Questions with Answers

 

  Quantitative Aptitude Questions and Answers contains concepts and test papers on many

 topics such as average, numbers, compound interests, partnership, problem on ages, calendar,

 boats and streams, clock, height and distance, percentage, pipes and cisterns, profit and loss, 

speed, time and distance, simple interest, problem on trains, time and work, etc.

 

 

Average Aptitude

1) What is the average of first five multiples of 12?

 A. 36

 B. 38

C. 40

D. 42

Answers: 36

Explanation:

Average = 12∗(1+2+3+4+5) ∗

= 12 ∗ 15∗

= 12 ∗ 3= 36

Numbers Aptitude

1) What is the difference in the place value of 5 in the numeral 754853?

A. 49500

B. 49950

C. 45000

D. 49940

Answer: 49950

Explanation:

The digit 5 has two place values in the numeral, 5 * 10⁵ = 50,000 and 5 * 10¹ = 50.

∴Required difference = 50000 - 50 = 49950

Compound interest Aptitude

1) What is the compound interest on Rs. 2500 for 2 years at rate of interest 4% per annum?

A. 180

B. 204

C. 210

D. 220

Answer: 204

Explanation: 

Principal (P) = Rs. 2500

Rate of interest(r) = 4%

Time (t) = 2 years

Compound Interest = Amount ? Principal

Amount(A)=P 

 C.I. = 2704 ? 2500 = Rs. 204

 

 

Partnership Aptitude

1) Sohan started a business with a capital of Rs. 80000. After 6 months Mohan joined as a partner by investing Rs. 65000. After one year they earned total profit Rs. 20000. What is share of Sohan in the profit?

A. 5222.2

B. 5777.7

C. 6222.2

D. 6777.7

Answer:  5777.7

Explanation:

Sohan's capital be C1 = 80000

Mohan's capital be C2 = 65000

Sohan's time be T1 = 12 months

Mohan's time be T2 = 6 months

Profit earned = 20000

 Therefore, Profit of Sohan: Profit of Mohan = 32:13

Therefore, Profit of Sohan: Profit of Mohan = 32:13

 

Problem on ages Aptitude

1) A mother is twice as old as her son. If 20 years ago, the age of the mother was 10 times the age of the son, what is the present age of the mother?

A. 38 years

B. 40 years

C. 43 years

D. 45 years

 Answer: 45 years

Explanation:

Let the age of son = X years

∴Age of mother would be =2X

As per question 20 years ago;

10 (X -20) = 2X - 20

10X - 200 = 2X - 20

10X - 2X= - 20 + 200

8X = 180

 ∴Age of mother = 22.5 * 2 = 45 years

 

Calendar Aptitude

1) If January 1, 1996, was Monday, what day of the week was January 1, 1997?

A. Thursday

B. Wednesday 

C. Friday

D. Sunday

Answer:  Wednesday

Explanation:

The year 1996 is divisible by 4, so it is a leap year with 2 odd days.

As per the question, the first day of the year 1996 was Monday, so the first day of the year 1997 must 

be two days after Monday. So, it was Wednesday.

 

 

Boats and Streams Aptitude

1) The speed of a boat in still water is 5km/hr. If the speed of the boat against the stream is 3 km/hr, what is the speed of the stream?

A. 1.5 km/hr

B. 2 km/hr

C.  2.5 km/hr

D.  1 km/hr

 

 

Clocks Aptitude

1) How many times the hands of a clock coincide in a day?

A. 24

B. 22

C. 23

D. 21

 Answer: 22

Explanation :

The hands of a clock coincide only once between 11 O' clock and 1 O' clock, so in every 12 hours, the hands of a clock will coincide for 11 times.

∴ In a day or 24 hours, the hands of a clock will coincide for 22 (11+11) times.