Determine the Missing Number
12 24 36 7 8 15 4 ? 6 Then find the Missing number?
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11 or 19 is the missing number
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You have been given the following series:
12 24 36 7 8 15 4 ? 6
Lets try and rewrite it ---> 12 24 36 | 7 8 15 | 4 ? 6
What we have done is, simply broken the series into groups of 3.
Now we clearly see that in the 1st 2 groups, adding the first and second elements gives us the 3rd element (12 +24 = 36 and 7 + 8 = 15)
Hence, for the last grouping, we need to add 2 to 4 in order to get 6.
Therefore, the missing number and our answer is 2.
12 24 36 7 8 15 4 ? 6
Lets try and rewrite it ---> 12 24 36 | 7 8 15 | 4 ? 6
What we have done is, simply broken the series into groups of 3.
Now we clearly see that in the 1st 2 groups, adding the first and second elements gives us the 3rd element (12 +24 = 36 and 7 + 8 = 15)
Hence, for the last grouping, we need to add 2 to 4 in order to get 6.
Therefore, the missing number and our answer is 2.
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