MHT CET · Maths · Mathematical Reasoning
Which of the following statement pattern is a tautology?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
It can be done using truth or using rules of logic.
(i)
(ii)
(iv)
So left is (iii)
(i)
(ii)
(iv)
So left is (iii)
| p | q | ||||
| T | T | T | F | F | T |
| T | F | T | F | T | T |
| F | T | F | T | T | T |
| F | F | T | T | F | T |
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