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 19 cm. What is its perimeter in cm?

2. The length of a rectangle is 25 cm and its breadth is 17 cm. What is its perimeter in cm?

3. A pen costs Rs. 9 and a book costs Rs. 70. What is the cost of 6 pens and 3 books?

4. Aarav buys 2 toys at Rs. 21 each and pays with a Rs. 500 note. How much change is returned?

5. A school has 12 boys and 24 girls. They sit 4 to a bench. How many benches are needed?

6. A pen costs Rs. 5 and a book costs Rs. 42. What is the cost of 4 pens and 4 books?

7. A pen costs Rs. 17 and a book costs Rs. 40. What is the cost of 5 pens and 4 books?

8. A school has 54 boys and 36 girls. They sit 6 to a bench. How many benches are needed?

9. A shop had 182 pencils. It sold 17 in the morning and 30 in the evening. How many pencils are left?

10. A shop had 172 stamps. It sold 24 in the morning and 40 in the evening. How many stamps are left?

11. A rectangular garden is 15 m long and 8 m wide. What is its area in square metres?

12. The length of a rectangle is 19 cm and its breadth is 13 cm. What is its perimeter in cm?

13. A shop had 72 books. It sold 14 in the morning and 33 in the evening. How many books are left?

14. There are 8 packets with 10 biscuits in each. 7 biscuits are eaten. How many are left?

15. There are 9 packets with 9 biscuits in each. 61 biscuits are eaten. How many are left?

16. A pen costs Rs. 19 and a book costs Rs. 78. What is the cost of 7 pens and 3 books?

17. There are 8 packets with 12 biscuits in each. 77 biscuits are eaten. How many are left?

18. The length of a rectangle is 28 cm and its breadth is 7 cm. What is its perimeter in cm?

19. A car travels at 68 km per hour for 6 hours. How far does it travel in km?

20. A school has 8 boys and 16 girls. They sit 2 to a bench. How many benches are needed?

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