Fraction for Air Force

 India has been facing security challenges from its neighbors for a long time, which makes it imperative for the country to maintain a strong defence force. As a result, there is a growing demand for defence aspirants who are willing to join the armed forces and contribute to the country's security.

For those who are preparing for exams like AFCAT (Air Force Common Admission Test) or other defence exams, it is essential to have a deep understanding of the defence sector and its various aspects. This blog post is dedicated to all such aspirants who are preparing for defence exams and want to improve their knowledge of the defence sector.

25 Fraction Questions for Defence Aspirants:

1.If a tank contains 1500 liters of water and it is being filled at a rate of 100 liters per minute, how much time will it take to fill the tank completely?

A. 10 minutes

B. 15 minutes

C. 20 minutes

D. 25 minutes

Answer: B. 15 minutes

2.A missile is launched from a height of 2000 meters and its speed is 1000 meters per second. What will be the time taken by the missile to reach the ground?

A. 10 seconds

B. 15 seconds

C. 20 seconds

D. 25 seconds

Answer: A. 10 seconds

3.A soldier can fire 20 bullets in 10 seconds. What will be the number of bullets fired by him in 1 minute?

A. 100

B. 120

C. 150

D. 200

Answer: B. 120

4.The speed of a train is 100 km/hr. How much time will it take to cover a distance of 200 km?

A. 2 hours

B. 2.5 hours

C. 3 hours

D. 3.5 hours

Answer: C. 3 hours

5.If the perimeter of a square is 40 cm, what will be the area of the square?

A. 100 sq cm

B. 121 sq cm

C. 144 sq cm

D. 169 sq cm

Answer: C. 144 sq cm

6.If the length of a rectangle is increased by 20% and its breadth is decreased by 10%, what will be the effect on its area?

A. Increase by 10%

B. Increase by 12%

C. Decrease by 10%

D. Decrease by 12%

Answer: B. Increase by 12%

7.A missile can travel a distance of 500 km in 20 minutes. What will be its average speed in km/hr?

A. 1250 km/hr

B. 1500 km/hr

C. 1800 km/hr

D. 2250 km/hr

Answer: B. 1500 km/hr

8.If the cost price of an item is Rs. 100 and its selling price is Rs. 120, what will be the profit percentage?

A. 10%

B. 15%

C. 20%

D. 25%

Answer: C. 20%

9.A train covers a distance of 240 km in 4 hours. What will be its speed in km/hr?

A. 40 km/hr

B. 50 km/hr

C. 60 km/hr

D. 70 km/hr

Answer: C. 60 km/hr

10.If the selling price of an item is 25% more than its cost price, what will be the profit percentage?

A. 20%

B. 25%

C. 30%

D. 35%

Answer: B. 25

11.If a tank can be filled by two pipes A and B in 4 and 6 hours respectively, how much time will it take to fill the tank if both pipes are opened together?

A. 2 hours

B. 2.5 hours

C. 3 hours

D. 3.5 hours

Answer: B. 2.5 hours

12.A person covers a distance of 320 km in 8 hours. If he wants to cover the same distance in 6 hours, what should be his speed?

A. 40 km/hr

B. 45 km/hr

C. 50 km/hr

D. 55 km/hr

Answer: C. 50 km/hr

13.A car travels a distance of 240 km in 5 hours. What will be the speed of the car in meters per second?

A. 15 m/s

B. 20 m/s

C. 25 m/s

D. 30 m/s

Answer: B. 20 m/s

14.If the radius of a circle is increased by 50%, what will be the effect on its area?

A. Increase by 50%

B. Increase by 75%

C. Increase by 100%

D. Increase by 125%

Answer: D. Increase by 125%

15.The simple interest on a sum of Rs. 5000 for 2 years at the rate of 10% per annum is:

A. Rs. 1000

B. Rs. 1200

C. Rs. 1500

D. Rs. 2000

Answer: B. Rs. 1200

16.If the marked price of an item is Rs. 500 and it is sold at a discount of 10%, what will be the selling price?

A. Rs. 450

B. Rs. 475

C. Rs. 485

D. Rs. 490

Answer: D. Rs. 490

17.A man sold two articles at Rs. 3600 each. He gained 20% on the first article and lost 20% on the second. What will be his overall profit/loss percentage?

A. Loss of 2%

B. Loss of 4%

C. Loss of 5%

D. Loss of 6%

Answer: B. Loss of 4%

18.If a person has to cover a distance of 40 km and he travels the first 20 km at a speed of 20 km/hr and the remaining distance at a speed of 30 km/hr, what will be his average speed?

A. 24 km/hr

B. 25 km/hr

C. 26 km/hr

D. 27 km/hr

Answer: C. 26 km/hr

19.The ratio of the present ages of A and B is 5:7. If the difference between their ages is 12 years, what will be the age of B after 5 years?

A. 27 years

B. 32 years

C. 35 years

D. 40 years

Answer: B. 32 years

20.If the perimeter of a rectangle is 32 cm and its length is 2 cm more than its breadth, what will be the area of the rectangle?

A. 48 sq cm

B. 50 sq cm

C. 52 sq cm

D. 54 sq cm

Answer: A. 48 sq cm

21.If the selling price of an item is increased by 20%, by what percentage should its cost price be increased so that the profit remains the same?

A. 10%

B. 16

Answer: B. 16%

22.The average age of a family of five members is 25 years. If the age of the youngest member is 10 years, what will be the average age of the family if a new member, whose age is 20 years, is also included?

A. 23 years

B. 24 years

C. 25 years

D. 26 years

Answer: C. 25 years

23.If a number is increased by 20% and then decreased by 10%, what will be the net effect on the number?

A. Increased by 8%

B. Increased by 10%

C. Decreased by 8%

D. Decreased by 10%

Answer: A. Increased by 8%

24.If the sum of the first n terms of an AP is given by Sn = 3n^2 - 4n, what will be the first term of the AP?

A. 1

B. 2

C. 3

D. 4

Answer: B. 2

25.If the sum of the squares of two consecutive even numbers is 340, what will be the larger number?

A. 16

B. 18

C. 20

D. 22

Answer: D. 22

These questions cover a range of mathematical concepts and difficulty levels that are commonly tested in exams such as AFCAT and Air Force. It is important to practice such questions regularly to improve your problem-solving skills and increase your chances of success in these exams.