1.

Pipe a and b fill a tank in 24hrs.if they both work for8hrs and then pipe b closed and pipe a filled the tank in 28hrs

Answer»

Answer:

( A + B ) can fill an empty tank in 8 hours and after 2 hours B was STOPPED. That means first 2 hours A and B worked together. ( A + b ) can fill a 2/8 = 1/4 part in 2 hours. It means A can fill ( 3/4 × 1/9 ) = 1/12 part in 1 hour.

Step-by-step explanation:



Discussion

No Comment Found

Related InterviewSolutions