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Examine the following statements: 1. All colours are pleasant. 2. Some colours are pleasant. 3. No colour is pleasant. 4. Some colours are not pleasant. Given that statement 4 is true, what can be definitely concluded? (a) 1 and 2 are true (b) 3 is true (c) 2 is false (d) 1 is false |
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Answer» Correct option (d) 1 is false Explanation: As per statement 4: Some colours are not pleasant. It implies that there is atleast one colour that is not pleasant. It obviously means that statement 1 that states that all colours are pleasant is definitely false. |
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