A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of the embankment.
Solution:
Diameter of well
m
Radius of well
m
Height of well
m
Volume of earth dug out =Volume of well
Let height of embankment
m
Volume of embankment
According to given condition we have:
Volume of Earth Dug out= Volume of embankment
m
Arshak Ali says
Question 5 is not included
Jashan says
@Arshak, you can find all the solutions on this page.
https://mathinstructor.net/ncert-solutions-math/ncert-solutions-tenth-class/