Question

the cost of constructing a wall 8 metre long 4 metre high and 20 CM thick at the rate of rupees 25 per metre cube is​

Answer 1

Answer:

(length x breadth x height) x 25

(8×4×.20) ×25

6.4×25

Rs. 160

Answer 2

Given,
Length =8 m
Breadth =4 m
Height =20 cm, =0.2 m
Cost for per meter cube = ₹ 25

Solution,
= L * B * H
= 8 * 4 * 0.2 meter cube
= 6.4 meter cube

Cost for 6.4 meter cube = 6.4 *25
= ₹160