hi ;-)

[kiran13051993]

[Alagu vadivel]

A can do a work in 15 days and B in 20 days. If they work on it
together for 4 days, then the fraction of the work that is left is :
A.
1
4 B.
1
10
C.
7
15 D.
8
15

On 10/2/13, kiran13051993 <kiran1...@gmail.com> wrote:
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