An inlet pipe can fill a tank in 10 hrs and an outlet pipe empties the same full tank in 20 hrs. The time required to fill the tank when both pipes are opened.
Correct answer B. 20
Tip: press A, B, C or D to answer, and N for the next question.
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More Time and Work questions
See allIf an outlet pipe empties a full tank in 20 hrs then part of tank emptied in one hour.
Correct answer D. 1?20
If an inlet pipe fills a tank in 10 hrs and another inlet pipe fills the same tank in 5 hrs then time required to fill the tank when both pipes are opened.
Correct answer A. 10?3
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If part of tank filled in one hour = 1/10 then time required to fill the tank.
Correct answer C. 10
If an inlet pipe fills a tank in 10 hrs then part of tank filled in 1 hr.
Correct answer B. 1?10
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