Word problems

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

1. A tank is 17 m long, 10 m wide and 12 m deep. How many cubic metres of water can it hold?

2. In a class of 135 students, 20% are girls. How many boys are there?

3. A tank is 20 m long, 12 m wide and 11 m deep. How many cubic metres of water can it hold?

4. A tank is 13 m long, 8 m wide and 3 m deep. How many cubic metres of water can it hold?

5. Find the simple interest on Rs. 2500 at 4% per year for 3 years.

6. 6 friends share a bill of Rs. 480 equally, and each also gives a tip of Rs. 10. How much does each friend pay in all?

7. In a class of 395 students, 20% are girls. How many boys are there?

8. A tank is 17 m long, 12 m wide and 11 m deep. How many cubic metres of water can it hold?

9. Rs. 247 is divided between two friends in the ratio 6 : 7. How much does each get?

10. 6 shirts cost Rs. 960 each. A discount of 20% is given on the total bill. What is the amount to pay?

11. A shopkeeper buys a bag for Rs. 690 and sells it for Rs. 560. What is the loss?

12. A student scored 57, 78, 94, 70, 60, 97 in 6 tests. What is the average score?

13. 8 friends share a bill of Rs. 640 equally, and each also gives a tip of Rs. 10. How much does each friend pay in all?

14. Find the simple interest on Rs. 1400 at 5% per year for 3 years.

15. A shopkeeper buys a bag for Rs. 600 and sells it for Rs. 670. What is the profit?

16. A train covers 132 km in 6 hours at a steady speed. What is its speed in km per hour?

17. A student scored 60, 88, 43, 69 in 4 tests. What is the average score?

18. In a class of 60 students, 25% are girls. How many boys are there?

19. A student scored 43, 56, 68, 42, 68, 53 in 6 tests. What is the average score?

20. A student scored 82, 92, 72, 68, 81 in 5 tests. What is the average score?

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