CAT 1994 — QA Question 31
2 Variable EquationsEasy
Data is provided followed by two statements – I and II – both resulting in a value, say I and II.
As your answer,
Type 1, if I > II.
Type 2, if I < II.
Type 3, if I = II.
Type 4, if nothing can be said.
Nineteen years from now Jackson will be 3 times as old as Joseph is now. Johnson is three years younger than Jackson.
I. Johnson’s age now.
II. Joseph’s age now.
Answer & solution
Correct answer: 4
Answer: 4
Solution
Since the ages of none of them is mentioned and we have two equations and three unknowns.
Hence, we cannot say anything about the ages of any of them.
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