Question
Mathematics Question on Pipe and Cistern
A cistern is filled in 30 minutes by three pipes A, B and C. The pipe C is thrice as fast as pipe A and pipe B is twice as fast as A. The time taken by pipe A alone to fill the cistern is:
A
180 minutes
B
270 minutes
C
300 minutes
D
250 minutes
Answer
180 minutes
Explanation
Solution
The correct option is (A): 180 minutes