Math, asked by viddyamondal, 20 days ago


A door of 4 x 2 m2 and two windows
each of 3 x 2 m2 are fitted in a wall. The
length and breadth of a wall are 15 m
and 10 m respectively. Find the cost of
white washing the wall, if the rate of
white washing the wall is rupees 12 per m2.





Answers

Answered by uddishcray
20

Answer: Rs 1560

Step-by-step explanation:

The area of wall=l×b

=15×10

=150m^2

The area of two windows=2×(l×b)

=2×(3×2)m^2

=12m^2

The area of door=l×b

=4×2

=8m^2

The area that will not be white wash=8+12

=20m^2

The area that will be white wash=150-20

=130^2

The cost of white washed=130×12

=Rs 1,560

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