Word problems

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

1. Find the simple interest on Rs. 1000 at 10% per year for 1 years.

2. A shopkeeper buys a bag for Rs. 380 and sells it for Rs. 320. What is the loss?

3. A train covers 98 km in 2 hours at a steady speed. What is its speed in km per hour?

4. In a class of 160 students, 60% are girls. How many boys are there?

5. A shopkeeper buys a bag for Rs. 350 and sells it for Rs. 370. What is the profit?

6. In a class of 388 students, 75% are girls. How many boys are there?

7. A student scored 53, 63, 96, 48, 85 in 5 tests. What is the average score?

8. In a class of 312 students, 75% are girls. How many boys are there?

9. A student scored 83, 47, 86, 56 in 4 tests. What is the average score?

10. In a class of 352 students, 75% are girls. How many boys are there?

11. 8 shirts cost Rs. 920 each. A discount of 25% is given on the total bill. What is the amount to pay?

12. 9 friends share a bill of Rs. 144 equally, and each also gives a tip of Rs. 2. How much does each friend pay in all?

13. In a class of 195 students, 40% are girls. How many boys are there?

14. 7 shirts cost Rs. 280 each. A discount of 20% is given on the total bill. What is the amount to pay?

15. In a class of 320 students, 40% are girls. How many boys are there?

16. Rs. 728 is divided between two friends in the ratio 7 : 6. How much does each get?

17. A train covers 154 km in 2 hours at a steady speed. What is its speed in km per hour?

18. 10 shirts cost Rs. 620 each. A discount of 20% is given on the total bill. What is the amount to pay?

19. A tank is 10 m long, 5 m wide and 6 m deep. How many cubic metres of water can it hold?

20. A student scored 81, 46, 84, 60, 49 in 5 tests. What is the average score?

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