Consider the following question and decide which statement is sufficient to answer the question.
Question:
Find the value of x.
Statement:
1. x : x2 :: x2 : 1331
2. x2 + 2xn + n2 = 21
1
Either 1 or 2 is sufficient.
2
Only 1 is sufficient.
3
Neither 1 nor 2 is sufficient.
4
Only 2 is sufficient.