Question

A cube of side 5m is painted on its faces and the cost of painting is Rs 50 per m square. If the total cost of painting is Rs 37500 , then find the number of cubes to be painted

Answer 1

Answer:

no. of cubes = 5

$number \: of \: cubes \: = \frac{total \: cost \: of \: painting}{cost \: of \: painting \: of \: one \: cube}$

Answer 2

Step-by-step explanation:

side of cube( a)=5

total surface area of cube =6asquare

6x5x5=150msquare

cost of painting for 1m square m=50

therefore, 150x50=7500

total cost painting =37500

37500 divided by7500=5

there fore number of cube =5