Question
13Â Â Â 7Â Â Â 8Â Â Â 13.5Â Â Â 29Â Â Â
 ?    228 Find the missing number in the following number series:Solution
13 x 0.5 + 0.5 = 7Â 7 x 1 + 1 = 8Â 8 x 1.5 + 1.5 = 13.5 13.5 x 2 + 2 = 29Â 29 x 2.5 + 2.5 = 75 Â 75 x 3 + 3 = 228
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