Question

Working together a and bcan complete a piece of work in 6 days and working alone a can complete same work in 10 days. How much time b takes

Answer 1

hope you got ur answer

Answer 2

let work done by A be a

let work done by B be b

then A and B together work in 1 day is 1/6

a+b=1/6;

1/10+b=1/6;      [since A's 1 day work=1/10 then a=1/10]

b=1/15;

then b takes 15 days to complete the work

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