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 11 cm. What is its perimeter in cm?

2. A pen costs Rs. 22 and a book costs Rs. 85. What is the cost of 8 pens and 3 books?

3. A pen costs Rs. 19 and a book costs Rs. 37. What is the cost of 4 pens and 3 books?

4. A pen costs Rs. 16 and a book costs Rs. 90. What is the cost of 6 pens and 4 books?

5. A car travels at 64 km per hour for 2 hours. How far does it travel in km?

6. A rectangular garden is 33 m long and 11 m wide. What is its area in square metres?

7. A school has 15 boys and 15 girls. They sit 3 to a bench. How many benches are needed?

8. A car travels at 47 km per hour for 3 hours. How far does it travel in km?

9. A shop had 197 marbles. It sold 11 in the morning and 40 in the evening. How many marbles are left?

10. A car travels at 73 km per hour for 8 hours. How far does it travel in km?

11. The length of a rectangle is 20 cm and its breadth is 9 cm. What is its perimeter in cm?

12. A rectangular garden is 34 m long and 15 m wide. What is its area in square metres?

13. There are 7 packets with 7 biscuits in each. 38 biscuits are eaten. How many are left?

14. A shop had 176 cards. It sold 39 in the morning and 24 in the evening. How many cards are left?

15. A rectangular garden is 30 m long and 27 m wide. What is its area in square metres?

16. Dev buys 2 toys at Rs. 39 each and pays with a Rs. 500 note. How much change is returned?

17. The length of a rectangle is 20 cm and its breadth is 10 cm. What is its perimeter in cm?

18. A rectangular garden is 35 m long and 18 m wide. What is its area in square metres?

19. A car travels at 55 km per hour for 3 hours. How far does it travel in km?

20. A rectangular garden is 39 m long and 31 m wide. What is its area in square metres?

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