Question:
The sum of the first four terms of an A.P. is 56 and the sum of its last four terms is 112. If its first term is 11, then find the number of terms.
The sum of the first four terms of an A.P. is 56 and the sum of its last four terms is 112. If its first term is 11, then find the number of terms.
Updated On: May 21, 2024
- 7
- 11
- 13
- 17
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The Correct Option is B
Solution and Explanation
The correct option is (B) :11.
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