Assertion: Number of significant figures in 0.005 is one and that in 0.500 is three. Reason: This is because zeros are not significant.

• A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
• B.             If both assertion and reason are true but reason is not the correct explanation of the assertion.
• C.             If assertion is true but reason is false.
• D.             If the assertion and reason both are false.
• E.             If assertion is false but reason is true.