Question : How many children are there between P and Q in a row of children ?nStatements :nI. P is fifteenth from the left in the row.nII. Q is exactly in the middle and there are ten children towards his right.

• A. I alone is sufficient while II alone is not sufficient
• B. II alone is sufficient while I alone is not sufficient
• C. Either I or II is sufficient
• D. Both I and II are sufficient