If A and B together can finish a work in 16 days.A can finish same work alone in 24 days then B alone can finish same work alone in how many days?
Choose the most appropriate option.
A) 30 days  B) 48 days  C) 40 days  D) 36 days  E) 50 days

Rationale: ( a + b ) work in 1 day = 1 / 16 , a work in 1 day = 1 / 24 b work in 1 day = [ 1 / 16 - 1 / 24 ] = 1 / 48 . b alone can finish same work in 48 days . answer b
Answer: B