In the following question, select the missing number from the given series.
129, 126, 123, 120, 117, ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 114.
129 - 3 = 126, 126 - 3 = 123, 123 - 3 = 120, 120 - 3 = 117, 117 - 3 = 114