2016 · Q34
Consider the following statements :
- 1Every natural number is a real number.
- 2Every real number is a rational number.
- 3Every integer is a real number.
- 4Every rational number is a real number.
Which of the above statements are correct?
Elementary MathematicsSet Theory
- A1, 2 and 3
- B1, 3 and 4
- C2 and 3 only
- D3 and 4 only
Explanation
Every natural number and every integer is real, and every rational is real — statements 1, 3, 4 are true. Statement 2 is false (π is real but irrational). Hence 1, 3 and 4, option B.