Home
Class 8
MATHS
A road roller takes 750 complete revolut...

A road roller takes 750 complete revolutions to move once over to level a road.Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m..

Text Solution

Verified by Experts

The correct Answer is:
1980 `m^2`.
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    NAND LAL PUBLICATION|Exercise EXERCISE 11.4|11 Videos
  • MENSURATION

    NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS FOR PRACTICE (Objective Type Questions)|27 Videos
  • MENSURATION

    NAND LAL PUBLICATION|Exercise EXERCISE 11.2|11 Videos
  • LINEAR EQUATIONS IN ONE VARIABLE

    NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE |21 Videos
  • PRACTICAL GEOMETRY

    NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE|15 Videos

Similar Questions

Explore conceptually related problems

The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m^2 .

What shape is A road-roller

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 length of a road roller is 2m and the diameter of its edges is 50 cm.It takes 700 revolutions to level a ground .Find the area of the field.

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.

A truck moves on a level road. Doe it do any work against gravity?

A cylindrical road-roller made of iron is 1 m long. Its internal diameter is 54 cm and the thikcness of the iron sheet used in making the rolleris 9cm. Find the mass of the roller, if 1 cm^3 iron has 7.8 g mass. (Use pi = 3.14)