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Question
```A and B can do a piece of work in 72 days; B and C can do it
in 120 days; A dn C can do it in 4 days. Who among these
will take the least time if put to do it alone?```
Question Submitted By :: Soundar
I also faced this Question!!     Rank Answer Posted By

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 1
c
 Is This Answer Correct ? 23 Yes 15 No
Jenil

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 2
A
 Is This Answer Correct ? 40 Yes 5 No
Kamal

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 3
A will take least time
 Is This Answer Correct ? 8 Yes 1 No
Sunil

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 4
Hello Kamal,Sunil I need explanation please
 Is This Answer Correct ? 2 Yes 0 No
Soundar

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 5
sounder
w.o mathematical calculation also we can easily determines the ans
A & C = 4 DAYS MEANS BOTH OF THEM TAKES LESSER TIME THAN THE "B" becoz when B includes then time taken for work is too much
so its clear that B will take more time than A & C.

now look at this when B WORKS WITH A IT TAKES 72 DAYS
B WORKS WITH C IT TAKES 120 DAYS
B IS COMMON TO BOTH
IT MEANS WE CAN NEGLECT B's WORK
HENCE IT IS UNDERSTOOD THAT A WILL TAKE LESS TIME THAN OTHERS.

 Is This Answer Correct ? 19 Yes 3 No
Kamal Singh

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 6
A
 Is This Answer Correct ? 3 Yes 1 No

Re: A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
# 7
 Is This Answer Correct ? 0 Yes 0 No
Iram