Question

) find the length and breadth of a room if their ratio is 10:6 and cost of fencing is rs 6000 at rs15 per metre​

Answer 1

Breadth = 6000÷15×6m

= 2400m

Length = 6000÷15×10m

= 4000m

Answer 2

let the length be 10x

let the breadth be 6x

perimeter = 6000÷15

= 400 metre

2x ( length + breadth ) = 400 m

length + breadth = 400÷2

10x + 6x = 200 m

16x = 200m

x = 200÷16

x = 12.5 m

length = 12.5 x 10 = 125 m

breadth = 12.5 x 6 = 75 m