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

A can do a piece of work in 20 hrs. B can do that work in 30 hrs. Then how much time will be taken by both of them to complete the work?

A किसी काम को 20 घंटे में करता है तो B उसी काम को 30 घंटे में करता है तो दोनों मिलकर उस काम को कितने घंटे में करेंगे?

[A] 10
[B] 14
[C] 12
[D] 8

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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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