A sum of money is sufficient to pay Y's wages for 10 days and Z's wages for 15 days. The same money is sufficient to pay the wages of both for? Pick one:
A) 2
B) 3
C) 4
D) 5
E) 6
Let the total money be $x   Y's 1day work = $ x/10   Z's 1day work = $ x/15   Y+Z 1day work = $ x/6   Money is sufficient to pay the wages of both for 6days   Answer is 6
<result>E</result>
A sum of money is sufficient to pay Y's wages for 10 days and Z's wages for 15 days. The same money is sufficient to pay the wages of both for?