Loving Derrick Niederman's book 2
Logic
Level
2
Which number completes the following eight-term sequence?
21
5
13
8
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1 solution
If you convert the sequence from numbers to alphabet, for example: A = 1 , B = 2 , . . . . , Z = 2 6 , the sequence will then spell out SEQUENC . Obviously, the next letter will be an E. Since E = 5 , 5 is the answer.