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Directions  This question consists of two statements each printed as Assertion and Reason. While
answering these questions you are required to choose any one of the following four responses.

Assertion : In summers, a metallic scale will read more than the actual.
Reason    : In summers, length of metallic scale increases.

a
If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
b
If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
c
If Assertion is correct but Reason is incorrect.
d
If Assertion is incorrect but Reason is correct.

detailed solution

Correct option is D

In summers, a metallic scale will read less than the actual because length of metallic scale increases in summers.

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