Multiple choice

Directions: In the following question a letter number series is given with one term missing as shown by (?). Choose the missing term out of the given alternatives.

C4X, F9U, I16R, ?

  1. K25P

  2. L25P

  3. L25O

  4. L27P

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Simple patterns govern this series. First letters: forward by 3 (C-F-I-L). Middle numbers: perfect squares (2²=4, 3²=9, 4²=16, 5²=25). Last letters: backward by 3 (X-U-R-O). The missing term is L25O.