the diameter of a roller 240 cm long is 168 cm . It takes 1000 complete revolutions to level a play ground, determine the cost of leveling at the rate of 30paise per square meter
Answers
Answered by
2
Answer:
Diameter of a roller 240 cm long is 168. it takes 1000 ... the cost of leveling at the rate of 30 paise per square meter.
Answered by
1
Answer:
380160 ruppes
Step-by-step explanation:
Radius of roller = 168/2 = 84cm
height of roller = 240 cm
curved surface area of cylindrical roller =2×22/7*84*240
=126720cm
=1267.2m
the cost of leveling the ground
=1267.2m * 0.30 * 1000
=380160 ruppes
Similar questions