Question

The Length breadth and height of a room are 5m,4m,3m respectively. Find the cost of whitewashing of the walls of the room and the ceiling at the rate of Rs 7.50 per metre square

Answer 1

Answer:

rs 555

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Area to be whitewashng

is equal to c.s.a of room plus area of ceiling (i.e.,l*b)

Therefore area to be whitewashingis 74 cm 2

Cost of whitewashing is equal to 7.50*74 (i.e.,equal to Rs5055 )