Exams › SSC CGL (Prelims) › General
If a × b = 2, where a × b = a^2 - b, what is the value of a and b?
- 2, 2
- 8, 1
- 4, 5
- 9, 6
Correct answer: 2, 2
Solution
We need values of a and b such that a^2 - b = 2. Testing the options, only a = 2 and b = 2 gives 2^2 - 2 = 2. Hence that pair is correct.
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