Multiple choice

Directions: In each of the following questions, a letter-number series is given with one or more term missing as shown by (?). Choose the missing term out of the given alternatives.

Q1F, S2E, U6D, W21C,?

  1. Y44B

  2. Y66B

  3. Y88B

  4. Z88B
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The first letters increase by 2 (Q→S→U→W→Y). The last letters decrease by 1 (F→E→D→C→B). The numbers follow n×(n+1)+(n+1): 1, 2, 6, 21, 88. Only Y88B satisfies all three conditions.

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