Consider the following question and decide which of the statements is sufficient to answer the question.
Question:
Find the value of p2 – 4.
Statement∶
1) p/2 = 5/7
2) p2 – q2 = 729
1
Only 1 is sufficient
2
Either 1 or 2 is sufficient
3
Neither 1 nor 2 is sufficient
4
Only 2 is sufficient