A and B can do a piece of work in 20 days. While A alone can do it in 30 days. In how many days B alone finish the same work?
Answer & explanation
Correct answer: option 1
Let the total work = 60 (LCM of 20 and 30 days)
ATQ,
A and B can do a piece of work in 20 days. While A alone can do it in 30 days. In how many days B alone finish the same work?
Correct answer: option 1
Let the total work = 60 (LCM of 20 and 30 days)
ATQ,