Word problems

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

1. Find the simple interest on Rs. 1400 at 6% per year for 4 years.

2. A train covers 144 km in 3 hours at a steady speed. What is its speed in km per hour?

3. In a class of 10 students, 20% are girls. How many boys are there?

4. A shopkeeper buys a bag for Rs. 830 and sells it for Rs. 700. What is the loss?

5. A shopkeeper buys a bag for Rs. 690 and sells it for Rs. 810. What is the profit?

6. Rs. 189 is divided between two friends in the ratio 2 : 5. How much does each get?

7. A student scored 50, 52, 93, 48, 98, 85 in 6 tests. What is the average score?

8. A tank is 15 m long, 4 m wide and 3 m deep. How many cubic metres of water can it hold?

9. 6 shirts cost Rs. 780 each. A discount of 10% is given on the total bill. What is the amount to pay?

10. In a class of 352 students, 25% are girls. How many boys are there?

11. A student scored 54, 70, 96, 43, 94, 81 in 6 tests. What is the average score?

12. In a class of 400 students, 60% are girls. How many boys are there?

13. A student scored 99, 99, 60, 84, 94, 86 in 6 tests. What is the average score?

14. Find the simple interest on Rs. 2200 at 2% per year for 1 years.

15. In a class of 148 students, 75% are girls. How many boys are there?

16. A train covers 160 km in 8 hours at a steady speed. What is its speed in km per hour?

17. In a class of 5 students, 60% are girls. How many boys are there?

18. A student scored 51, 63, 63, 99 in 4 tests. What is the average score?

19. A tank is 9 m long, 11 m wide and 7 m deep. How many cubic metres of water can it hold?

20. 8 friends share a bill of Rs. 128 equally, and each also gives a tip of Rs. 2. How much does each friend pay in all?

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