Question
48Â Â Â 49Â Â Â Â 45Â Â Â Â Â 54 Â Â Â
?      63      27 Find the missing number in the following number series:Solution
The series is: 48 + 12 = 49 49 – 22 = 45 45 + 32 = 54 54 – 42 = 38 38 + 52 = 63 63 – 62 = 27
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