Question

(iv) A cube of side 5 m is painted on all its faces and the cost of painting is * 50 per m². If
the total cost of painting is ? 37500, then find the number of cubes to be painted.​

Answer 1

Answer:

11

Step-by-step explanation:

Area of cube=6a*a

a=5 then area =3750

the given amount is 37500 so it must me multiplied by 10 so already a cube then 10 cubes totally 11 cubes can be multiplied

Answer 2

Step-by-step explanation:

total surface area of cube =6a²

=6×5×5

=150m²

total cost=150×50

7500

no of cubes= 37500/7500

=5 ANS