A and B combinely can do a work in 4 days. If A alone can
do a piece of work 6 days. In how many days B alone can do?
a) 8 days b) 6 days c)10 days d) 12 days
Answer Posted / tam
combinely job=A+B=4days
when A is alone job=A=2
then B=4-A
=4-2
B=2
so,the ans is b
| Is This Answer Correct ? | 2 Yes | 1 No |
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