Page 151 - Start Up Mathematics_3

EXERCISE 10.4

Divide.

(a) ` 482 by 2 (b) ` 132 by 3 (c) ` 205 by 5

(d) ` 245 by 7 (e) ` 585 by 9 (f) ` 632 by 8
(g) ` 24.04 by 4 (h) ` 36.54 by 6 (i) ` 68.48 by 2

Word Problems

Example 14: Tina opened an account in a bank with ` 250. Later she put ` 175.65 more
in her account. How much money did she put in her account in all?

Solution: Money put on opening the account = ` 250 ` p

Money put later into the account = ` 175.65 1
Total money Tina put in her account = ` 250 + ` 175.65 2 5 0 0 0

= ` 425.65 + 1 7 5 6 5

Answer: Tina put ` 425.65 in her account. 4 2 5 6 5

Example 15: Vikas bought a notebook for ` 18.75 and a pencil box for ` 31.50. He
gave ` 75 to the shopkeeper. How much money should he get back?

Solution: Money spent on the notebook = ` 18.75 ` p

Money spent on the pencil box = ` 31.50 1 1
1 8 7 5
Total money spent = ` 18.75 + ` 31.50
+ 3 1 5 0
= ` 50.25
5 0 2 5
Money given to the shopkeeper = ` 75

Money Vikas should get back = ` 75.00 – ` 50.25 ` p
9
= ` 24.75
4 10 10
Answer: Vikas should get ` 24.75 back. 7 5 0 0

– 5 0 2 5

2 4 7 5

Example 16: The cost of 1 dress is ` 325. How much will 5 dresses cost?

Solution: Cost of 1 dress = ` 325 1 2
` 3 2 5
Cost of 5 dresses = ` 325 × 5 = ` 1625 × 5

Answer: 5 dresses will cost ` 1625. ` 1 6 2 5

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