Question : Directions: In the following question, a series is given with one number missing. Select the missing number from the given series.
3, 10, 24, 52, 108, ?
Option 1: 180
Option 2: 190
Option 3: 210
Option 4: 220
Correct Answer: 220
Solution :
Given:
3, 10, 24, 52, 108, ?
Multiply each term in the series by 2 and then add 4 to the resultant to get the missing term in the series.
(3 × 2) + 4 = 10; (10 × 2) + 4 = 24; (24 × 2) + 4 = 52; (52 × 2) + 4 = 108; (108 × 2) + 4 = 220
So, 220 is the missing term in the series. Hence, the fourth option is correct.
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