42 40 38 35 33 31 28 A. 25, 22 B. 26, 23 C. 26, 24 D. 25, 23
Answer: C
Explanation:
In the above series
42-40 = 2
40-38 = 2
38-35 = 3
35-33 = 2
33-31 = 2
31-28 = 3
from the above it is clear that the series follows the difference between the numbers is 2,2,3 respectively. the continuation of the serie is
28 - x = 2 & x = 26
26 - x = 2 & x = 24
therefore the next series is 26,24.