Which of the following numbers will replace the Question mark (?) in the given series?
82, 79, 71, ?, 60, 57, 49
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 68.
In the given series, 3 and 8 are alternatively subtracted from the numbers of the series.
82 - 3 = 79; 79 - 8 = 71; 71 - 3 = 68; 68 - 8 = 60; 60 - 3 = 57; 57 - 8 = 49