Question
9 of
100
Question Palette
A can complete a piece of work in 10 days, and B can complete the same work in 15 days. In how many days will they complete the work together?
Correct Option:
B
Explanation
Together, their one-day work is:
1/10+1/15=3/30+2/30=1/6.
One-sixth of the job per day means 6 days.