# NCERT Solutions for Class 8 Maths Chapter 13 Exercise 13.2

NCERT Solutions for Class 8 Maths Chapter 13 Exercise 13.2 Direct and Inverse Proportions in English Medium and Hindi Medium free to use it online. Solutions are in most simplified way to help the students.

## NCERT Solutions for Class 8 Maths Chapter 13 Exercise 13.2

If you need solutions in Hindi, Click for Hindi Medium solutions of 8 Maths Exercise 13.2

Exercise 13.1

8 Maths Solutions: Main Page

### 8 Maths Chapter 13 Exercise 13.2 in Hindi

Exercise 13.1

8 Maths Solutions: Main Page

To get the solutions in English, Click for English Medium solutions.

##### Important Questions for Practice

1. A contractor undertook a contract to complete a part of a stadium in 9 months with a team of 560 persons. Later on, it was required to complete the job in 5 months. How many extra persons should he employ to complete the work?
2. The mass of an aluminium rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105 g.
3. The cost of 27 kg of iron is ₹1,080, what will be the cost of 120 kg of iron of the same quality?
4. At a particular time, the length of the shadow of Qutub Minar whose height is 72 m is 80 m. What will be the height of an electric pole, the length of whose shadow at the same time is 1000 cm?
5. 44 cows can graze a field in 9 days. How many less/more cows will graze the same field in 12 days?

###### Try These

1. Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at a speed of 10km/h, then he reaches his school late by 8 minutes but on travelling at 16 km/h he reaches the school 10 minutes early. At what time does the school start?
2. Ms. Anita has to drive from Modi Nagar to Modi Puram. She measures a distance of 3.5 cm between these villages on the map. What is the actual distance between the villages if the map scale is 1 cm = 10 km?
3. 30 persons can reap a field in 17 days. How many more persons should be engaged to reap the same field in 10 days?
4. In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions last?
5. If a deposit of ₹ 2,000 earns an interest of ₹ 500 in 3 years, how much interest would a deposit of ₹ 36,000 earn in 3 years with the same rate of simple interest?