1.

9. A can do a piece of work in 10 days, B can do it in 15 days and Ccan do it in 20 days. They start the work together. But, after 2days. A leaves off and after 3 days, C leaves off. B will do theremaining work. How many day complete the work?1) 8 day 2) 4 day 3) 9 day 4) 8 day

Answer»

1. 8 day is the correct answer

4) is the correct answer



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