Question

X can do a piece of work in 40 days he works at for 8 days and then why finish in 16 days how long will they together take to complete the work

Answer 1

Answer:

X one day work is 1/40

So 8day work is 8/40=1/5

After 8 days the work left is 1-1/5= 4/5

Now y finish remaining 4/5 work in 16 days so one day work for y is

(4/5)/16=1/20

Now if both do work together then one day work is 1/40+1/20=3/40

So total number of days taken are 40/3 = 13(1/3) days

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