Question (49/50)
A can finish a work in 18 days and B can do the same work in half the time taken by A. What part of the same work both A and B can finish in a day if they work together ?(A)  1/6
(B)  1/9
(C)  2/5
(D)  2/7
Question (50/50)
A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work ?(A)  5 Days
(B)  6 Days
(C)  7 Days
(D)  8 Days