Question

If 2 men or 10 boys take 49 days to do a work how long will it take if they work together

Answer 1

time to buy to main to do the work is equal to 49 days the work done by two man in one day is equal to 1/49

similarly work done by 10 boys in one day is equal to 1 by 49 the work done by 2 men and 10 boys in one day is equal to 1 by 49 + 1 by 49 is equal to 2/49

total work is equal to 1 show time is equal to 1/2/49=49/2=24.5

hence hence they will take 24.5 days please mark list