1.

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

Answer»

To Find: The sum of the given series.

Sum of the series is given by

S = n/2(a+l)

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

S = 30/2[101+43]

= 15 × 144 = 2160

The sum of the series is 2160.



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