A can complete a work in 6 days while B can complete the

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A can complete a work in 6 days while B can complete the same work in 12 days. If they work together and complete it, the portion of the work done by A is

1. 1
  3
2. 2
  3
3. 1
  4
4. 1
  2

Correct Option: B

Using basics of Rule 2,
Time taken by A and B

=	6 × 12	=	6 × 12	= 4
	6 + 12		18

∴ Work done by A in 4 days

=	4	=	2
	6		3