Rajasthan Police Constable Model Paper 9

Statement I:
x + y = 12 : x + z = 4,
Statement II:
x - y = 6
Both From, the Statements:
⇒ x + y = 12
⇒ x + z = 4
⇒ x - y = 6
As we have 3 equations and 3 variables, we can find the value of x, y and z.
∴ Both I and II are sufficient