Word problems

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

1. The length of a rectangle is 21 cm and its breadth is 7 cm. What is its perimeter in cm?

2. A shop had 189 books. It sold 29 in the morning and 32 in the evening. How many books are left?

3. A pen costs Rs. 11 and a book costs Rs. 85. What is the cost of 5 pens and 2 books?

4. A shop had 135 balloons. It sold 15 in the morning and 37 in the evening. How many balloons are left?

5. There are 8 packets with 12 biscuits in each. 31 biscuits are eaten. How many are left?

6. The length of a rectangle is 25 cm and its breadth is 19 cm. What is its perimeter in cm?

7. The length of a rectangle is 27 cm and its breadth is 20 cm. What is its perimeter in cm?

8. A shop had 70 pencils. It sold 11 in the morning and 39 in the evening. How many pencils are left?

9. A school has 21 boys and 18 girls. They sit 3 to a bench. How many benches are needed?

10. A shop had 105 coins. It sold 33 in the morning and 38 in the evening. How many coins are left?

11. A pen costs Rs. 24 and a book costs Rs. 75. What is the cost of 7 pens and 3 books?

12. A rectangular garden is 14 m long and 5 m wide. What is its area in square metres?

13. A school has 25 boys and 10 girls. They sit 5 to a bench. How many benches are needed?

14. A school has 24 boys and 20 girls. They sit 4 to a bench. How many benches are needed?

15. A pen costs Rs. 13 and a book costs Rs. 43. What is the cost of 5 pens and 3 books?

16. There are 9 packets with 8 biscuits in each. 5 biscuits are eaten. How many are left?

17. The length of a rectangle is 23 cm and its breadth is 19 cm. What is its perimeter in cm?

18. A rectangular garden is 40 m long and 32 m wide. What is its area in square metres?

19. There are 7 packets with 8 biscuits in each. 39 biscuits are eaten. How many are left?

20. A car travels at 34 km per hour for 3 hours. How far does it travel in km?

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