Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

Are you looking for DAV Maths Solutions for class 8 then you are in right place, we have discussed the solution of the Secondary Mathematics book which is followed in all DAV School. Solutions are given below with proper Explanation please bookmark our website for the further update !! All the Best !!

DAV SOLUTIONS CLASS 8 Secondary Mathematics ||

|| Unit 4 Worksheet 2

1. In the following tables, a and b vary inversely. Fill in the missing values.

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics
Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics
Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

2. The science teacher asked the students of Class-VII to make a project report on pollution. When 10 students work on it, the work gets finished in 3 days. How many students are required so that work finishes in 2 days?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

3. Running at an average speed of 40km/hr, a bus completes a journey in 4½ hours. How much time will the return journey take if the speed is increased to 45km/hr?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

4. Disha cycles to her school at an average speed of 12 km/hr. It takes her 20 minutes to reach the school. If she wants to reach her school in 15 minutes, what should be her average speed?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

5. 15 men can repair a road in 24 days, how long will it take 9 men to repair he same road?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

6. If 30 goats can graze a field in 15days, how many goats will graze the same field in 10 days?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

7. A contractor with a work force of 420 men can complete a work of construction of a building in 9 months. Due to request by the owners he was asked to complete the job in 7 months. How many extra men he must employ to complete the job?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

8. Uday can finish a book in 25 days if he reads 18 pages every day. How many days will he take to finish it, if he reads 15 pages every day?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

9. A shopkeeper has enough money to buy 40 books, each costing 125. How many books he can buy if he gets a discount of 25 on each book?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

10. 6 pumps working together empty a tank in 28 minutes. How long will it take to empty the tank if 4 such pumps are working together?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

11. A train moving at a speed of 75 Km/hr covers a certain distance in 4.8 hrs. What should be the speed of the train to cover the same distance in 3hrs?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

12. A garrison of 120 men has provision for 30 days. At the end of 5 days, 5 more men joined them. How many days can they sustain on the remaining provisions?

Answer:

Chapter 4 | Worksheet 2 Direct And Inverse Variation | Class-8 DAV Secondary Mathematics

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