Assertion (A) : a, b, c are in A.P. if and only if 2 b=a+c. ...

CBSE Class 10 Math 2023 Delhi Set-1 Solved Paper

Question : 20

Total: 38

Assertion (A) : a, b, c are in A.P. if and only if 2b=a+c.
Reason (R) : The sum of first n odd natural numbers is n2.

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true.

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