What is the sum of the following series? –64, –66, –68,……..….., –100
Explanation:
Number of terms = (100 – 64)/2 + 1 = 19 Sum = n/2 (a + an) = 19/2 × (–64 –100) = –1558 Hence, option (b).
» Your doubt will be displayed only after approval.
Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.