Which number should replace the question mark (?) in the following number series?
49, 54, 44, 59, ?, 64, 34
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 39.
Given series: 49, 54, 44, 59, ?, 64, 34
The logic used here : Double series
First : 49, 44, ?, 34
Difference of 5
49 - 5 = 44
44 - 5 = 39
39 - 5 = 34
Second
Addition of 5
54 + 5 = 59
59 + 5 = 64
The missing term in the series is 39.
Hence, the correct answer is 39.