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Questão sobre torneira ( Raciocínio Logico)
Duas torneiras A e B são utilizadas para encher um tanque. A torneira A enche o tanque em 20 horas enquanto a torneira B enche o tanque em 18 horas. Estando o tanque vazio, às 2:00 h da manhã as duas torneiras são abertas, após 4 horas a torneira A é fechada. Em quanto tempo o tanque estará cheio?
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Answer #1
34 horas