Assertion and Reasoning — task. Maths CBSE Live product, Class 10.

Assertion (A): Sum of \(50,46,42,...,\) to \(10\) terms is \(320\)

Reason (R): Sum of \(n\) terms of an A.P is \(S_n=\frac{n}{2}[2a+(n-1)d]\)

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

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