Assertion(A): Footstep cannot be used as a standard unit of measurement.
Reason(R): Ancient units are not fixed in length and vary from person to person.
A
Both A and R are true and R is the correct explanation of A
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B
A is false, but R is true
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C
A is true, but R is false
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D
Both A and R are true, but R is not the correct explanation of A
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Solution
The correct option is A Both A and R are true and R is the correct explanation of A