A glass containing water has two holes. The `1^(st)` hole alone empties the gas in 9 minutes and `2^(nd)` hole alone empties the glass in 3 minutes. If water leaks out at a constant rate, how many minutes will it take if both the holes together empty the glass?

Options

A. `(1)/(4)`
B. `2 (2)/(4)`
C. `3 (1)/(4) `
D. ` 2(1)/(4)`

Answer

D