Question

15. The length and breadth of a wall is 15 m and 10 m,
respectively. A window of side 5 m each is fitted
in the wall. If the cost of whitewashing the wall is
5625, find the rate of whitewashing.
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Answer 1

Answer:

Hope This will Help you

Explanation is in the attached file

Answer 2

Answer:

length of a wall is =15m

breadth of wall is = 10m

10+15

25

side of a window fitted in the wall is = 5cm

25×5

125 cm

cost of whitewashisng the wall is = ₹5625

125 ÷ 5625

45

therefore rate of whitewashing is ₹45