Consider the following for the next ten (10) items that follow:
Each item contains a Question followed by two Statements. Answer each item using the following instructions:
Let a, b and c be the sides of a triangle ABC.
Question : Is the triangle equilateral?
Statement - I : a2 + b2 + c2 = (ab + bc + ca)
Statement - II : 3a2 + 3b2 + 4c2 = 2ab + 4bc + 4ca
1
If the Question can be answered by one of the Statements alone, but not by the other.
2
If the Question can be answered by either Statement alone.
3
If the Question can be answered by using both the Statements together, but cannot be answered by using either Statement alone.
4
If the Question cannot be answered even by using both Statements together.