14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
A Geometric Progression with first term ‘a’ = 14 and common ratio ‘r’ = 2. G.P = Sn = a(rn – 1)/(r – 1) n = 10 Considering the given series 14, 28, 56, 112, ...... Sn = a(rn – 1)/(r – 1) S10 = 14(210 – 1)/(2 – 1) = 14 x 1023 = 14322
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