Question

2. A and B take 12 days to finish a piece of work. If B and C work together they take 15 days.
While A and C together take 20 days. Find the time taken by each to work alone,
1
Hint: A + B =
B+C = C + A = .: A + B + C = ?)
12
15
20
12,8+
please tell this answer with statement l will mark your all the answer as brainlist
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Answer 1

Step-by-step explanation:

Given A and B do piace of work in 12 days and B and C in 15 days and C and A in 20 days

Then A and B one day work =

12

1

AND B and C one day work =

15

1

And C and A one day work =

20

1

Then A ,B and c two days work =

12

1

+

15

1

+

20

1

=

60

5+4+3

=

60

12

=

5

1

Then A ,B and c one days work=

5

1

×

2

1

=

10

1

So A,B and C do work in 10 days. Hope it helps. Mark me as brainlinist.