A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B can do the work in(A) 12 days(B) 15 days(C) 20 days(D) 30 days
Harshit Singh , 2 Years ago
Grade 12th pass
1 Answers
Pawan Prajapati
Last Activity: 2 Years ago
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