Question
5Â Â Â Â 13Â Â Â Â 36Â Â Â Â 145Â Â Â Â Â
719Â Â Â Â 4321 In each of the following number series, a wrong number is given, find out that number.Solution
5 x 2 + 3 = 13 13 x 3 - 4 =Â 35 35 x 4 + 5 = 145 145 x 5 - 6 = 719 719 x 6 + 7 = 4321
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