Question

23)
A and B can separately complete a
piece of work in 20 days and 30 days
respectively. They worked together for
some time, then B left the work. If A
completed the rest of the work in 10 days,
then B worked for
a) 6 days
b) 8 days
c) 12 days
d) 16 days
​

Answer 1

Your answer

Is (a) 6 days