Question
174Â Â 180Â Â Â 198Â Â 252Â Â Â 414Â Â
910 In each of these number series one number is wrong. Find out the wrong number.ÂSolution
174 + 6 = 180 180 + 18 = 198 198 + 54 = 252 252 + 162 = 414 414 + 486 = 900
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