13
Q:
A) 31 | B) 29 |
C) 18 | D) 19 |
Answer: B) 29
Explanation:
Explanation:
Here the given number series follows a pattern of two alternate series.
1. 7 19 31 ...(Difference of 12)
2. 9 18 27 ...(Difference of 9)
Here the odd number is 29 instead of 27
And the next number is 31 + 12 = 43 & 27 + 9 = 36