J Jitendra Singh • 7.50K Points Tutor III Math Bookmark Embed Report View In MB-Short Q. A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is (A) 20 days (B) 15 days (C) 10 days (D) 12 days Correct Answer - Option(B) Views: 970 Filed under category Math Share
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