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 17 cm. What is its perimeter in cm?

2. A pen costs Rs. 6 and a book costs Rs. 80. What is the cost of 4 pens and 2 books?

3. A pen costs Rs. 22 and a book costs Rs. 69. What is the cost of 3 pens and 3 books?

4. A car travels at 77 km per hour for 5 hours. How far does it travel in km?

5. A shop had 189 pencils. It sold 34 in the morning and 32 in the evening. How many pencils are left?

6. A school has 25 boys and 20 girls. They sit 5 to a bench. How many benches are needed?

7. A car travels at 75 km per hour for 4 hours. How far does it travel in km?

8. A car travels at 81 km per hour for 4 hours. How far does it travel in km?

9. A school has 21 boys and 27 girls. They sit 3 to a bench. How many benches are needed?

10. Arjun buys 5 toys at Rs. 60 each and pays with a Rs. 500 note. How much change is returned?

11. A pen costs Rs. 5 and a book costs Rs. 46. What is the cost of 3 pens and 4 books?

12. A car travels at 78 km per hour for 7 hours. How far does it travel in km?

13. A school has 20 boys and 36 girls. They sit 4 to a bench. How many benches are needed?

14. A shop had 154 cards. It sold 38 in the morning and 13 in the evening. How many cards are left?

15. A school has 40 boys and 35 girls. They sit 5 to a bench. How many benches are needed?

16. The length of a rectangle is 32 cm and its breadth is 31 cm. What is its perimeter in cm?

17. A pen costs Rs. 16 and a book costs Rs. 83. What is the cost of 3 pens and 5 books?

18. A school has 14 boys and 4 girls. They sit 2 to a bench. How many benches are needed?

19. A car travels at 82 km per hour for 6 hours. How far does it travel in km?

20. A school has 18 boys and 36 girls. They sit 6 to a bench. How many benches are needed?

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