Word problems

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

1. A school has 21 boys and 24 girls. They sit 3 to a bench. How many benches are needed?

2. The length of a rectangle is 16 cm and its breadth is 12 cm. What is its perimeter in cm?

3. A shop had 157 balloons. It sold 26 in the morning and 11 in the evening. How many balloons are left?

4. A rectangular garden is 31 m long and 27 m wide. What is its area in square metres?

5. Arjun buys 2 toys at Rs. 42 each and pays with a Rs. 500 note. How much change is returned?

6. A shop had 120 coins. It sold 15 in the morning and 20 in the evening. How many coins are left?

7. A pen costs Rs. 18 and a book costs Rs. 57. What is the cost of 3 pens and 4 books?

8. A pen costs Rs. 8 and a book costs Rs. 53. What is the cost of 2 pens and 2 books?

9. A rectangular garden is 9 m long and 7 m wide. What is its area in square metres?

10. A shop had 65 books. It sold 17 in the morning and 20 in the evening. How many books are left?

11. A car travels at 85 km per hour for 3 hours. How far does it travel in km?

12. Diya buys 5 toys at Rs. 23 each and pays with a Rs. 500 note. How much change is returned?

13. A car travels at 53 km per hour for 6 hours. How far does it travel in km?

14. There are 5 packets with 10 biscuits in each. 4 biscuits are eaten. How many are left?

15. A car travels at 71 km per hour for 6 hours. How far does it travel in km?

16. There are 3 packets with 5 biscuits in each. 3 biscuits are eaten. How many are left?

17. A shop had 108 mangoes. It sold 26 in the morning and 29 in the evening. How many mangoes are left?

18. A pen costs Rs. 10 and a book costs Rs. 44. What is the cost of 7 pens and 4 books?

19. Dev buys 3 toys at Rs. 35 each and pays with a Rs. 500 note. How much change is returned?

20. The length of a rectangle is 23 cm and its breadth is 12 cm. What is its perimeter in cm?

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