Question Practice

Question 1
What is the value of $x^2+y^2=$
 Statement I : xy=5
 Statement II: x+y=10
  1. A. Choose this option if the question can be answered by using one of the statements alone, but cannot be answered using the other statement.
  2. Choose this option if the question can be answered by using the statement together, but cannot be answered using either statement alone.
  3. Choose this option if the question can be answered by using either statement alone.
  4. Choose this option if the question cannot be answered even by using both the statement together.