1.

What is the maximum sum of the terms in the arithmetic progression 25, 24, 23, 22……? (a) 325 (b) 345 (c) 332.5 (d) 350 

Answer»

Correct option (a) 325

Explanation:

The maximum sum would occur when we take the sum of all the positive terms of the series. The series 25, 24, 23,… 1, 0 has 26 terms. The sum of the series would be given by: 

n × average = 26 × 12.5 = 325. 



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