Question 166: A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
tcs
wipro
infosys
general
aptitude
time-and-work
A's 2 day's work =1x 2=1.2010(A + B + C)'s 1 day's work =1+1+1=6=1.2030606010Work done in 3 days =1+1=1.10105Now,1work is done in 3 days.5Whole work will be done in (3 x 5) = 15 days.