Word problems

Read each problem carefully and write the answer with its unit.

1. A train covers 648 km in 9 hours at a steady speed. What is its speed in km per hour?

2. In a class of 220 students, 20% are girls. How many boys are there?

3. 6 friends share a bill of Rs. 384 equally, and each also gives a tip of Rs. 8. How much does each friend pay in all?

4. A tank is 19 m long, 13 m wide and 12 m deep. How many cubic metres of water can it hold?

5. A tank is 19 m long, 9 m wide and 9 m deep. How many cubic metres of water can it hold?

6. Find the simple interest on Rs. 2300 at 10% per year for 3 years.

7. In a class of 385 students, 20% are girls. How many boys are there?

8. A shopkeeper buys a bag for Rs. 250 and sells it for Rs. 300. What is the profit?

9. In a class of 345 students, 20% are girls. How many boys are there?

10. A student scored 46, 86, 64, 40 in 4 tests. What is the average score?

11. A tank is 13 m long, 14 m wide and 4 m deep. How many cubic metres of water can it hold?

12. A student scored 87, 98, 72, 67 in 4 tests. What is the average score?

13. 7 shirts cost Rs. 680 each. A discount of 20% is given on the total bill. What is the amount to pay?

14. 10 shirts cost Rs. 520 each. A discount of 10% is given on the total bill. What is the amount to pay?

15. A shopkeeper buys a bag for Rs. 810 and sells it for Rs. 710. What is the loss?

16. A tank is 12 m long, 15 m wide and 7 m deep. How many cubic metres of water can it hold?

17. A tank is 13 m long, 5 m wide and 12 m deep. How many cubic metres of water can it hold?

18. A tank is 12 m long, 14 m wide and 5 m deep. How many cubic metres of water can it hold?

19. Find the simple interest on Rs. 1300 at 8% per year for 1 years.

20. A tank is 7 m long, 9 m wide and 6 m deep. How many cubic metres of water can it hold?

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