Question

( 1 ) 30 cows can graze a field in 15 days. How many less/more cows will graze the same field in 10 days?
( 2 ) At a particular time, the length of the shadow of a building whose height is 80 m is 100 m. What will be the height of an electric pole, the length of whose shadow of the same time is 35 m?


please solve both questions fast please please please please help

Answer 1

Answer:

1. 30 cows can graze the field in 15 days.

so, for graze the same field in 10 days more cows required.

hence , it is the case of inversely proportional .

let required number of cows be x

so, 30 × 15 = X ×10

hence , x=45

so, 15 more cows required to graze field in 10 days.