Question

The wall is 12 metre long and 8 metre heigh it has to be whitewashed from both sides at the rate of rupees 10 per metre square find the cost of whitewashing

Answer 1

Answer:

₹1920 anwer

Step-by-step explanation:

Given ,

l =12m

b=8m

if , 1m square wall washed = ₹10

so, first of all we should find the area of the wall.

the wall is in rectangular shape because length and breadth should given in rectangle

now,

Area of rectangle = l×b

= 12×8 = 96 m square

so, 1m square wall washed = ₹10

96m square wall washed = 96×10 = ₹960

now,

we should multiply ₹960 to 2 because the wall has washed from both side

960 × 2

₹1920 Answer