Solve it !!!!!!!!

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A swimming pool has four faucets. The first can fill the entire pool with water in two days, the second – in three days, the third – in four days, and the last one can fill the pool in 6 hours.
How long will it take to fill the pool using all 4 faucets together?

Replies (5)

5hrs plus 8-10 minutes

  4.72 hours...... 

5 hours and near about 10 minutes .!!

4hrs and 43 mins and 17 seconds !!!

In 1 hour,

Faucets (A+B+C+D) together can fill { 1/48 + 1/72 + 1/96 + 1/6 }th part of swimming pool

                                                                =61/288 th part of swimming pool

 

Therefore, 1 pool can filled in {288/61 * 1 } hours

                                                   = 4.72131147541 hours

                                                   = 4hrs 43mins 17seconds

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