The statement 42 is divisible by 5, 6 and 7 is:
ANot a claim
BPlainly false
CPlainly true
DQuite ambiguous
Answer & Solution
Correct answer: B. Plainly false
1. 42 is divisible by 6 and by 7.
2. It is not divisible by 5.
3. One false component makes the whole false.
_Source: NCERT Class 11 Mathematics, Chapter 14, Mathematical Reasoning._
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