Q8 of 102 Page 410

Find the sum of the series 101 + 99 + 97 + 95 + …. + 43.

To Find: The sum of the given series.


Sum of the series is given by



Where n is the number of terms , a is the first term and l is the last term


Here a = 101, l = 43 ,n = 30



= 15 × 144 = 2160


The sum of the series is 2160.


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