If $10$ men and $15$ women complete a piece of work in $8$ days,while $12$ men and $8$ women can complete the same piece of work in $10$ days. $A$ boy,who is $50 \%$ less efficient than a man,can do the same work in $50$ days.
$Quantity \, I$: Time taken by $2$ men,$4$ women,and $18$ boys to complete the work.
$Quantity \, II$: Time taken by $9$ men,$3$ women,and $6$ boys to complete the same work.

• A
  Quantity $I >$ Quantity $II$
• B
  Quantity $I < $ Quantity $II$
• C
  Quantity $I =$ Quantity $II$
• D
  Relationship cannot be established