A and B weave a carpet in 10 days and 15 days, respectively. They begin to work together but B leaves after 2 days. In what time will A complete the remaining work ?



[ A ]    6$1 \over 3$ days
[ B ]    6$2 \over 3$ days right
[ C ]    7 days
[ D ]    8 days
[ E ]    None of these
Answer : Option B
Explanation :