Q34 / 90 · JEE Main 2021 (20 Jul Shift 2) · Mathematics
Consider the following three statements:
If then
If then earth is flat.
If both and are true then
Then, which of the following statements is correct?
Consider the following three statements:
If then
If then earth is flat.
If both and are true then
Then, which of the following statements is correct?
- Ais false, but and are true
- Correct answerBand are true while is false
- Cis true while and are false
- Dand are false while is true
Solution
Truth table for if-then statement is
(false), and (false), therefore is true.
(true) and earth is flat (false), hence is false.
Since, is false and (false), hence is true.
Hence, the correct answer is option: 'B'.