Question

Main agricultural field is in the form of a rectangle of length 20m and width 14m deep well of diameter 7m is dug in a corner of the field and the earth taken out of the wall is spread evenly over the remaining part of the field then the rise of its level is

Answer 1

Answer:

11/8

Step-by-step explanation:

Volume of well =volume of earth level rise in the field

pi.r^2.h=length x breadth x height

22/7 x 7/2 x 7/2 x 10=20 x 14 x height

11 x 7 x 5=20 x14 x height

height =11/8 m

hence 11/8m level rise in the field