25 JUNE SS Q.16

0. If proposition 'Students are serious' is taken to be false then which of the following propositions can be true?
(a) All students are serious
(b) All students are not serious
(c) Some students are not serious
(d) Some serious ones are not students
Select the correct answer from the options given below:

Answer
Comment
Array

Option : D
Explanation : 'Students are serious'is false statement then its negation 'students are not serious' must be a true statement.
Now, equivalent proposition of 'students are not serious' is 'All students are not serious' and also 'some students are not serious' can be true statements.

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