Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
16, 32, 14, 19, 37, 21, 22, 42, ?, 25, 47, 35
Option 1: 34
Option 2: 26
Option 3: 32
Option 4: 28
Correct Answer: 28
Solution :
Given:
16, 32, 14, 19, 37, 21, 22, 42, ?, 25, 47, 35
The series split into three subseries:
(I)16, 19, 22,25
(II) 32, 37, 42,47
(III) 14, 21, ?, 35
In series I add 3, in II add 5 and in III add 7 as shown in the diagram below.
So, the required number is 28. Hence, the fourth option is correct.
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