The diameter of a roller, 120 cm long, is 84 cm. If it takes 500 complete revolutions to level a playground, find the cost of levelling it at Rs 5 per square metre.

The diameter of a roller, 140 cm long is 9 cm. if takes 400 complete revolutions to level a playground, find the cost of levelling at Rs 1 per square metre.

The diameter of a roller 120cm long is 84cm. If it takes 500 complete revolutions to level a playground, determine the cost of levelling it at the rate of 30 paise per square metre.

The diameter of a roller 120cm long is 84cm. If it takes 500 complete revolutions to level a playground, determine the cost of levelling it at the rate of 30 paise per square metre.

The diameter of a roller, 1 m long, is 84 cm. If it takes 500 complete revolutions to level a playground, the area of the playground is

The diameter of a roller 120cm long is 84cm. If it takes 500 complete revolutions to level a playground,determine the cost of levelling it at the rate of 30 paise per square metre.

The diameter of a roller 120cm long is 84cm. If it take 500 complete revolutions to level a playground,determine the cost of levelling it at the rate of 30 paise per square metre.

The diameter of a roller 1.5 m long is 84 cm. If it takes 100 revolutions to level a playground, find the cost of levelling this ground at the rate of 50 paise per square meter.

The diameter of roller 1.5m long is 84cm. If it takes 100 revolutions to level a playground, find the cost of levelling this ground at the rate of 50 paise per square metre.

The diameter of roller 1.5m long is 84cm. If it takes 100 revolutions to level a playground, find the cost of levelling this ground at the rate of 50 paise per square metre.

The diameter of a roller is84 cm and120cm long. If it take 500 complete revolutions to level a playground, determine the cost of levelling it at the rate of 30 paise per square metre.