Question

Anand earns rd 80 in 7 hours and promode rs 90 in 12 hours. The ratio of thier earning is

Answer 1

Ratio=80/7:90/12
80×12:90×7
8×12:9×7
96:63
32:21

Answer 2

Here find both persons earning in 1 hour.
As Anand earn Rs 80 in 7 hours , so he earn 80 /7 in one hour

And Pramod earn Rs 90 in 12 hours , so he earn 90/12 in one hour .

So the ratio of their earning is Anand : pramod = 80/7/90/12=32:21