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Question

Bucket P has thrice the capacity as  bucket Q . It takes 60 turns for  bucket P to fill the empty drum . How many turns it will take for both the buckets  P and Q having each turn together to fill the empty drum ?


Options:
A .  30
B .  40
C .  45
D .  90
Answer: Option C

Let capacity of P be `x` litres , Then , capacity of Q = `x/3` litres.

Capacity of the drum = 60`x` litres.

Required number of turns =  `(60x)/((x + x/3)) =  (60x xx (3)/(4x))` = 45



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