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Example 2: There are 5009 bags of rice in a godown. If 3639 bags are taken out, how
many bags will remain in the godown?

Solution: th H t O
4 9 10
Number of bags in the godown = 5 0 0 9
Number of bags taken out = – 3 6 3 9
Number of remaining bags = 1 3 7 0

Thus, 1370 rice bags will remain in the godown.
Example 3: The sum of two numbers is 8197. If one of the numbers is 3994, find the

other number.
Solution: th H t O

7 11
Sum of two numbers = 8 1 9 7

One number = – 3 9 9 4
Other number = 4 2 0 3

Thus, the other number is 4203.

Practice Time 3F

Solve the following word problems.

1. There are 510 seats in a movie hall. On Monday, 393 persons watched the movie.
How many seats remained vacant?

2. What number should be subtracted from 981 to get 769?

3. What number should be added to 6054 to get 9040?

4. 840 packets of sweets were bought to distribute on Independence Day. If 681 packets
were distributed, how many packets were left?

5. A tank can hold 1100 litres of water. It has 505 litres of water. How much more water
is needed to fill the tank?

6. Tanya deposited `8515 in her bank account. If she withdrew `5216, how much money
is left in her account?

7. The sum of two numbers is 7625. If one of the numbers is 3921, find the other number.

8. Priya and Digvijay together have a total of 2750 postcards. If Digvijay has 1692

postcards, how many postcards does Priya have?

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