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.

2, A, 9, B, 6, C, 13, D, ?

  1. 9

  2. 10

  3. 12

  4. 19

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

This alternating series has two patterns: numbers go +7, -3, +7, -3 (2+7=9, 9-3=6, 6+7=13, 13-3=10) while letters simply advance one at a time (A-B-C-D). The missing number is 10.