21, 25, 18, 29, 33, 18, ... choose which pair of numbers comes next?
A. 43, 18
B. 41, 44
C. 37, 18
D. 37, 41
E. 38, 41
Answer: Option D
Solution(By Examveda Team)
This is a simple addition series with a random number, 18, interpolated as every third number. In the series, 4 is added to each number except 18, to arrive at the next number.This Question Belongs to Competitive Reasoning >> Number Series Completion
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Related Questions on Number Series Completion
C nt D
21+4=25
25+4=29
29+4=33
33+4=37
random number, 18 (C) 37,18