Question:
If a1, a2, a3,..., an are in A. P. with a1 = 3, an, = 39 and a1+a2+...+an = 210, then the value of n is equal to
If a1, a2, a3,..., an are in A. P. with a1 = 3, an, = 39 and a1+a2+...+an = 210, then the value of n is equal to
Updated On: Jun 10, 2024
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The Correct Option is B
Solution and Explanation
The correct option is (B): 10
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