What should come in place of the question mark “?” in the following number series? 6,12, 8, 16, ?, 19.2
Question
What should come in place of the question mark “?” in the following number series? 6,12, 8, 16, ?, 19.2
Solution
The pattern in the series is that every second number is the previous number multiplied by 2.
So, if we follow the pattern:
6 * 2 = 12 8 * 2 = 16
The number that should come after 16 should be 16 / 2 = 8 (reversing the operation)
Then, to check:
8 * 2 = 16 16 / 2 = 8 8 * 2 = 16 16 * 2.4 = 19.2 (the pattern changes here, the multiplication factor is 2.4 instead of 2)
So, the missing number in the series is 8.
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