Question

0 On a rectangular field of length 5m and breadth 4m a square ditch is dug
of 2m wide to a depth of im. The soil removed from the ditch is spread
evenly on the remaining part of the field. By how many centimeters will
the height of the ground be raised.
1) 25cm 2) 1/4cm 3) 125cm 4) 4cm​

Answer 1

area of rec field:- 5x4:-20 sq. m

volume of ditch :-s^3:- 2^3:-8m cube

area of ditch :- 2x2= 4 sq.m

left area:- 20-4:-16 sq.m

we have to spread 800cm cube of 1600cm square of area.... ill get back to this after solving ....