A : An exact number has infinite number ...

A : An exact number has infinite number of significant digits.
R : A number, which is not a measured value has infinite number of significant digits.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

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The correct Answer is:

B

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