Question

2 pipe A and B working independantly can fill a tank in 12&15 hrs. lncluding pipe C while
working together they take 4 hour to fill the
complete tank. In how many hours does pipe C
con fill the tank working alone?​

Answer 1

Answer:

10hrs

Step-by-step explanation:

pipe A- 1/12

pipe B- 1/15

All together

A+B+C= 1/4

C= 1/4-1/12-1/15

= 6/60

=1/10

so, pipe c take 10 hrs to fill the tank