Question

A room of size 6m×4m×3m is constructed . Find the total cost of constriction if construction cost is Rs 10/m2. Also find the cost of painting if the tate is Rs 5/m2

Answer 1

L=6m
b=4m
h=3m
Area of room = area of four wall+ l×b
= 2h(l+b) + l×b
= 2×3(6+4)+6×4
= find answer
cost =rate ×area of room
= 10× finding ans
find cost of painting like above answer☝️