Question (13/28)
Bucket P has thrice the capacity as bucket Q. It takes 60 turns for bucket P to fill the empty tank. How many turns it will take for both buckets P and Q having each turns together to fill the empty tank ?(A)  35
(B)  40
(C)  45
(D)  50
Question (14/28)
12 buckets of water fill a tank when capacity of each bucket is 13.5 litres. How many buckets will be needed to fill the same tank, if capacity of each bucket is 9 litres ?(A)  15
(B)  16
(C)  17
(D)  18