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Q.# Mathematics - Work and Time / काम और समय

Two taps can fill a tank in 20 & 30 hours. If both taps open together then in how much time tank will fill.

दो नल एक हौज को क्रमशः 20 घंटे तथा 30 घंटे में भर सकते हैं। यदि दोनों ने एक साथ खोल दिए जाए, तो हौज कितने घंटों में भर जाएगी

[A] 8 hrs
[B] 10 hrs
[C] 9 hrs
[D] 12 hrs

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Work and Time / काम और समय - aptitude - Mathematics Questions and Answers quiz and mock test. Work and Time aptitude Video classes and MCQ Online Test will improve your capability in the aptitude - Mathematics. Start practice test from below link.

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