Question

the cost of ploughing a field at ₹9 per square metre is ₹1872.If the breadth vof the field is 13 m ,then it's length is

Answer 1

perimeter=1872/9=208
breadth=13
perimeter=2(l+b)
208=2(l+13)
=>104=l+13
=>l=104-13=91

hence length=91m

I hope it helps you
thanks for seeing