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PH TEST
Support ID: 691280
| Report a problem
Question Number 4
There are m taps numbered 1 to m, that can fil

By Mary

PH TEST
Support ID: 691280
| Report a problem
Question Number 4
There are m taps numbered 1 to m, that can fill a tank. The mth tap alone takes as much time as the
time taken by all taps from 1 to (m-1) to fill the tank together, except when m= 1. If the 9th tap takes
60 minutes to fill the tank while filling alone, then how many minutes would 12th and 11th taps
together take to fill the tank?
0 1.66 min
5 min
O 22.5 min
0 49 min
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Mary

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