Five engineers A,B,C,D and E can
complete a process in 8 hours,
assuming that every engineer
works with the same efficiency.
They started working at 10:00am.
If after 4:00pm..,one engineer is
removed from the group every
hour,what is the time when they
will finish the work?
(a)6:00pm
(b)7:00pm
(c)4:00pm
(d)8:00pm
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