Consider the given question and decide which of the following statement(s) is/are sufficient to answer the question.
What is the average daily wage of X, Y and Z?
Statements:
- Y’s salary is half of (X + Z)
- X and Y together earn Rs. 40 more than Z and Z earns Rs. 500
1
Both 1 and 2 are sufficient
2
Neither 1 nor 2 is sufficient
3
1 alone is sufficient while 2 alone is insufficient
4
2 alone is sufficient while 1 alone is insufficient