Two inlets X and Y can fill a tank in 12 minutes and 16 minutes respectively. If both the inlets open together after how much time should be y closed so, that the tank is full in 9 minutes?

Options
- 180 minutes
- 200 minutes
- 220 minutes
- 240 minutes

CORRECT ANSWER : 240 minutes

Discussion Board
ANS..

ans is 4 min
as
(48-7x)/4+7x/7=9
x=4 min


priya 09-2-2019 12:09 PM

Wrong choices and answer

Answer to above question is 4 minutes.

Jyoti Sharma 08-19-2018 09:48 AM

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