A) 20
B) 21
C) 22
D) 23
Correct Answer: B
Solution :
Let Gita finish the remaining job in \[x\] days. Sita?s 3 days work + Gita?s \[(x+3)\] day?s work = 1 \[\Rightarrow \] \[\frac{3}{15}+\frac{x+3}{30}=1\] \[\therefore \] \[x=21\]You need to login to perform this action.
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