Man1 does a work in 10 days and Man2 does the same work in 15 days. In how many days they together will do the same work ?
Pick one:
A) 10 days
B) 5 days
C) 6 days
D) 7 days
E) 8 days
Man1 day work = 1/10   Man2 day work = 1/15   Both work =1/10+1/15   ===&gt;3+2/30   ==&gt;1/6   ANSWER 6 days
<result>C</result>
Man1 does a work in 10 days and Man2 does the same work in 15 days. In how many days they together will do the same work ?