Question

the length and breadth of a rectangular field are in the ratio7:5 is 384 find the cost of reaping the field at rs 1.25 per square. metre​

Answer 1

Answer:

l=254 b=160 A=768

so,cost =1060

Answer 2

Area =384 m2

Length=7x ,breadth=5x

Area = 35x^2 =384

x2 =384/35

X=v384 / 35=3.3

7x=23.1

5x=16.1

cost of reaping=23.lxl6.1x1.25 =

465. Ans=Rs465