Consider the given question and decide which of the following statements is sufficient to answer the question.
What is the average daily wage of X, Y and Z?
Statements:
1. Y's salary is half of (X+Z)
2. X and Y together earn ₹40 more than Z and Z earns ₹500
A.
2 alone is sufficient while 1 alone is insufficient
B.
1 alone is sufficient while 2 alone is insufficient