Question:
A pipe fills a tank in P minutes and another pipe fills the tank in q minutes, A different pipe makes the tank empty in r minutes. If all these tree pipe are opened then in how many minutes the tank will be full ?
(pq + qr - pr) / pqr | |
None | |
(p + p - q) / pqr | |
(pq + pr - pq) pqr | |
pqr/(qr + pr - pq) |
Answer:
pqr/(qr + pr - pq)
Last Updated:
27/04/2021 - 22:05