Question
36Â Â Â 37Â Â Â Â 33Â Â Â 42Â Â Â
 ?      51    15 Find the missing number in the following number series:Solution
The series is: 36 + 12 = 37 37 – 22 = 33 33 + 32 = 42 42 – 42 = 26 26 + 52 = 51 51 – 62 = 15
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