The best of the web, As usual, we pull the week started with a maandagpuzzel. The spring weather is still a while to wait, but in anticipation of the summery temperatures, we fill up the pool. Do you know how long that will last?
A swimming pool has four faucets. If the first tap (A) is open, it takes two days for the pool to fill. With the second crane (B) takes the three days , while the third tap (C) four days . The fourth valve (D) is the fastest: this is the pool already in six hours vol.
Read also Los you our maandagpuzzel? This is the ideal puzzle to friends to surprise Question
how Long does it take for the pool to fill as all four cranes at the same time?
