Question (15/50)
A and B together can complete a work in 12 days. A alone can complete it is 20 days. If B does the work only for half a days daily, then in how many days A and B together will complete the work ?(A)  10 Days
(B)  11 Days
(C)  13 Days
(D)  15 Days
Question (16/50)
A alone can do piece of work in 6 days and B alone in 8 days. A and B undertook to do the work for INR 3200. With the help of C they completed the work in 3 days. How much is to be paid to C ?(A)  INR 375
(B)  INR 400
(C)  INR 450
(D)  INR 500