Question

the cost of cultivating a rectangular field at rs35 PR square meter is rs71400. if the width of the field is 40 m find its length

Answer 1

Amount required to cultivate 1metre= 35 rs

amount used to cultivate area(a) = 71400rs

35*area=71400

area= 71400/35

area=2040 metre sq.

given , width= 40 metre

let's assume length = l

then area of rectangle= width * length

2040= l*40

L= 2040/40

L= 51