Home
Class 9
MATHS
How many cubic metres of earth must be d...

How many cubic metres of earth must be dug out to sink a well 14 m deep and having a radius of 4 m. If the earth taken out is spread over a plot of dimension `(25 m xx 16 m)`. What is the height of the plateform so formed?

Text Solution

Verified by Experts

The correct Answer is:
`704 m^(3), 1.76m`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME

    NAGEEN PRAKASHAN|Exercise Revision Exercise (short Answer Questions)|14 Videos

  • STATISTICS

    NAGEEN PRAKASHAN|Exercise Revision Exercise|10 Videos

  • TRIANGLES

    NAGEEN PRAKASHAN|Exercise Revision Exercise (long Answer Type Question)|8 Videos

Similar Questions

Explore conceptually related problems

How many cubic metres of earth must be dug-out to sink a well 21m deep and 6m diameter?

How many cubic metres of earth must be dug to make a well 14 m deep and 4m in diameter ?

How many cubic metres of earth must be dug to sink a wll which is 16 m deep and which has a radius of 3.5 m? If the earth taken out is spread over a rectangular plot of dimensions 25mxx16m , what is the height of the platform so formed?

How many cubic meters of earth must be dug to make a well 14m deep and 4 m in diameter?

How many cubic meters of earth must be dug out to sinc a well 20m deep and has a diameter of 7m ? If the earth so dug out spread over a rectangular plot of 25m by 11m, What is height of the platform so formed?

How many cubic metres of earth must be dug to construct a well 7 m deep and of diameter 2.8 m?

How many cubic metre of earth is to be dug out to dig a well of radius 1.4m and depth 5m ?

How many cubic metres of earth must be dug to construct a 7 m deep wel and diametrt is 2 m ?

How many cubic metres of earth must be dogout to sink a well 21 m deep and 6m diameter? Find the cost of plastering the inner surface of the well of Rs.9.50 per m^(2)

A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly spread to form a platform of divisions 22 m xx 14 m. Find the height of the platform.

Home
Profile