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 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 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 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 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 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.

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, 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, 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.

One side of a square plot is 250m, find the cost of levelling it at the rate of Rs.2 per square metre.