Question

Mr Mohanlal purchased a plot for
constructing his new house. The length
and breadth of the plot are in the ratio
12:5. At the rate 100 per metre it cost
him 68,000 to fence the plot. Find the
dimensions of the plot?​

Answer 1

Answer:

length = 240m and breadth =100m

please follow and mark as brainliest

Answer 2

let the length and breadth be 12x and 5x

so,

perimeter = 2(length + breadth)

= 2(12x + 5x)

= 2 × 17x

= 34x

if cost of fencing of 1m = 100rs

so cost of fencing of 34x = 34x ×100

= 68000

=> 3400x = 68000

=> x =68000/3400

=> x = 20

so, length = 12x = 12 ×20

= 240m

breadth = 5x = 5 ×20

= 100m