2019 · Q95
Which one of the following is not correct?
Elementary MathematicsNumber System
- A1 is neither prime nor composite.
- B0 is neither positive nor negative.
- CIf p × q is even, then p and q are always even.
- D√2 is an irrational number.
Explanation
A, B and D are true. C is false: e.g. 2x3 = 6 is even though 3 is odd. So C is the incorrect statement.