Water pipes A and B can fill a tank in 5 and 7 hours respectively if used on their own. If both pipes are used at the same time, how long will it take to fill the tank?
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1297 MCQ for effective preparation of the test of Work Problems of Word Problems section.
Read the MCQ statement: Water pipes A and B can fill a tank in 5 and 7 hours respectively if used on their own. If both pipes are used at the same time, how long will it take .... o fill the tank? , keenly and apply the method you have learn through the video lessons for Work Problems to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 312-13079.