Question

If Ram works 10hours per day,h e can finish a job in 28days. If he has to finish the job in 20days,how many hours should he work per day.

solve steply plzz

Answer 1

firstly if he works 10 hrs daily for 28 days means 280 hrs so for 20 days he will have to work 14 hrs by unitary method

Answer 2

formula is d1*h1 = d2*h2
d = days ; h = hours
so 28*10 = 20*x
x = 14 hrs