Answers

2016-03-03T12:10:44+05:30
1/6 is the answer

in one day quiz can do 1 / 12 part of his work therefore in 6 days he will do[ 1 / 12 ] ×6 part of the work that is one by two part of the work similarly Billy can do 1 /18 part of work in 1 day. in 6 days he will do 1/ 3 part of work now adding the total amount of work they can do in 6 days
1/2+1/3=5/6
work left is 1-5/6=1/6
0