Text Solution
If both the assertion and reason are true statement and reason is correct explanation of the assertion . If both the assertion and reason are true statement but reason is not a correct explanation of the assertion . If the assertion is true but the reason is a false statement. If both assertion and reason are false statements.
Answer : A
Solution : Two systems are in thermal equilibrium with a third system implies that all are at the same , temperature. Hence , they will also be in thermal equilibrium.
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