Question

find the cost of painting of the outer surface of a closed box which is 60cm long 40cm broad and 30 cm high at the rate of 50 paise per 20cm2​

Answer 1

Answer:

sol.

given

length of cuboid or closed box=60cm

breadth of cuboid =40cm

height of cuboid =30cm

so volume is=l×b×h=60cm×40cm×30cm

so volume =72,000cm cube

cost of painting =72,000 cm cube×50 paise=3,600,000

Answer 2

Answer:

36000000 is your answer