Mathematics · Time and Work
A can do a certain work in 18 days. B is 25% less efficient than A. A alone worked for a few days and then, B joined him. Both worked together till the completion of the work. The entire work got completed in 12 days. For how many days did A and B work tog ether?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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