21. Arun and Satyam can complete a work individually
in
12 working days and 15 working days
respectively with their full efficiencies. Arun does
work only on Monday, Wednesday and Friday while
Satyam does the work on Tuesday, Thursday and
Saturday. Sunday is always off. But Arun and
Satyam, both works with half of their efficiencies on
Friday and Saturday respectively. If Arun started the
work on 1st January which falls on Monday followed
by Satyam on the next day so on (i.e., they work
collectively in alternate days), then on which day
work will be completed?
(a) Tuesday
(b) Wednesday
(c) Thursday
(d) Friday
A
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Answer:
a) Tuesday
Step-by-step explanation:
as arun worked on Monday Wednesday and Friday and satyam works Tuesday Thursday and Saturday so till next Tuesday work will be completed
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