Q, 18, S, 16, U, 13, W, ?
Alphanumeric Series Pattern Analysis
The given series is an alphanumeric sequence: Q, 18, S, 16, U, 13, W, ?
This series alternates between letters and numbers. We need to identify the pattern for both.
Letter Sequence Progression
Let's examine the letters:
- Q is the 17th letter of the alphabet.
- S is the 19th letter. (Q + 2 positions)
- U is the 21st letter. (S + 2 positions)
- W is the 23rd letter. (U + 2 positions)
The pattern for letters is consistent: add 2 to the position of the previous letter (skip one letter in between).
Number Sequence Progression
Now let's examine the numbers:
- The first number is 18.
- The second number is 16. (18 - 2)
- The third number is 13. (16 - 3)
The pattern for numbers involves subtracting an increasing sequence. The subtractions are -2, -3. The next logical subtraction in this sequence would be -4.
Calculating the Missing Number
Following the number pattern, the next step is to subtract 4 from the last number (13).
Calculation: $13 - 4 = 9$
Therefore, the number that replaces the '?' is 9.
Similar Questions
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Important Questions from Alpha-numeric series
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
DFA, HJE, LNI, PRM, ?What should come in place of the question mark (?) in the given series based on the English alphabetical order?
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KLHO, LKIN, ?, QFNI, UBRESelect the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
ZY_WZTX_Z_XU_JXTWhat should come in place of the question mark (?) in the given series based on the English alphabetical order?
EGC, IFG, MEK, QDO, ?
