Question
99Â 124Â Â 160Â Â 209Â Â 273Â Â 355Â
 454 Find out the wrong number in the following number series.Solution
99 + 25 = 124 124 + 36 = 160 160 + 49 = 209 209 + 64 = 273 273 + 81 =Â 354 354 + 100 = 454
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