The area of a courtyard is 3750 m2. Find the cost of covering it with

1.	The area of a courtyard is 3750 m2. Find the cost of covering it with gravel to a height of 1 cm if the gravel costs Rs. 6.40 per cubic metre.
Answer» We know that, 1 cm = 0.01m Therefore, Volume of the gravel used = Area × Height = 3750 × 0.01 = 37.5 m³ It is given in the question that cost of the gravel is Rs. 6.40 per cubic meter Therefore, Total cost of covering = (37.5 × 6.4) = Rs. 240

The area of a courtyard is 3750 m2. Find the cost of covering it with gravel to a height of 1 cm if the gravel costs Rs. 6.40 per cubic metre.

Answer»

We know that,

1 cm = 0.01m

Therefore,

Volume of the gravel used = Area × Height

= 3750 × 0.01

= 37.5 m³

It is given in the question that cost of the gravel is Rs. 6.40 per cubic meter

Therefore,

Total cost of covering = (37.5 × 6.4)

= Rs. 240