Question

krishna can run 2 kilometers in 10 minutes how long will it take him to run a marathon of 48 kilometres?

Answer 1

time to run 2 km= 10 min
time to run 1 km=10÷2=5min
time to run 48 km=48×5
$48 \times 5 = 240$
ans is 240 min=4 hrs

Answer 2

240min
2 kilometers - 10min
48kilometers =?
48
$\times 10 \div 2 = 240$