Question
Which number will come at the end of the number
series? 13, 26, 39, 52, _____, 78Solution
In this series, the difference between each consecutive number is 13: • 13 + 13 = 26 • 26 + 13 = 39 • 39 + 13 = 52 So, the next number would be: 52 + 13 = 63 Thus, the missing number is 63.
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