Question
7    8     ?     13    Â
17Â Â Â Â Â 22Â Â Â Â 28 Find the missing number in the following number series:Solution
7 + 1 = 8 8 + 2 =Â 10 10 + 3 = 13 13 + 4 = 17 17 + 5 = 22 22 + 6 = 28
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48 24 24 48 ? 1536
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