Question
Find the missing number in the series?
3, 7, 24, 11, _, 19, 19, …..
A. 21
B. 16
C. 15
D. 13
Answer: C. 15
Solution:
Two series alternate here, with every third number following a different pattern.
In the main series, 4 is added to each number to arrive the next.
In alternate series, 5 is subtracted from each number t arrive the next number.
Here in the main series
3 + 4 = 7
7 + 4 = 11
11 + 4 = 15
15 + 4 = 19
In alternate series
24 – 5 = 19
19 – 5 = 14…
Read more:
Crack the series missing Number Puzzle ?
If 1 1 1 1 = R, 2 2 2 2 = T, 3 3 3 3 = E, 4 4 4 4 = N Then 5 5 5 5 = ?