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Assertion & Reasoning:
 
Provide the correct choice as,
(a) If both the assertion and the reason are true and the reason is the correct explanation of assertion.

(b) If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.

(c) Assertion is true, but the reason is false.

(d) Assertion is false, but the reason is true.
  
1.
Assertion:Mass of a body is defined as the gravitational force exerted on it due to earth’s gravity alone
Reason:
\(Weight = mass \times acceleration\ due\ to\ gravity\).
2
Assertion:At poles value of acceleration due to gravity (g) is greater than that of the equator.
Reason:
Earth rotates on its axis in addition to revolving around the sun.