Logic & Reasoning

Look at this series: 22, 21, 23, 22, 24, 23,… What number should come next?

a. 22
b. 24
c. 25
d. 26
  1. c. In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.

Test ID: 535
Source: 501 challenging logic & reasoning problems