How much should Baba be paid ?

Baba alone can do a piece of work in 10 days. Anshu alone can do it in 15 days. If the total wages for the work is Rs. 50. How much should Baba be paid if they work together for the entire duration of the work?

Options:

Rs. 30

Rs. 20

Rs. 50

Rs. 40

None of these

2Comments
arvind kumar @arvi9d
7 Jul 2017 03:36 am

30

pragya goyal @pragya
7 Jul 2017 08:47 am

Baba capacity= 1/10th work/day
Anshu capacity= 1/15th work/day
Together they complete the work in 1/10+1/15 = 5/30 = 1/6th of work in 1 day.
That means they complete the work in 6 days.
Now baba's capacity is 1/10th work/day. So 50*1/10 = 5/- per day. He works for 6 total days, so 6*5 = 30/-