Question

A and B can finish a work in 10 days A alone can do it in 30 days . The number of days which B alone can do that work is​

Answer 1

Answer:

Hence, B, alone can complete the work in 15 days.

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Answer 2

Answer:

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Step-by-step explanation:

(A+B)’s 1 day’s work = 

A’s 1 day’s work = 

∴ B’s 1 day’s work = 

=

Hence, B, alone can complete the work in 15 days.