Question : Directions: In the following question a series is given, with one number missing. Select the missing number from the given alternatives.
14, 29, 60, 123, ?
Option 1: 210
Option 2: 250
Option 3: 196
Option 4: 158
Correct Answer: 250
Solution :
Given:
14, 29, 60, 123,?
Multiply the previous term by 2 and then add consecutive natural numbers to obtain the next term in the series –
14 × 2 + 1 = 29
29 × 2 + 2 = 60
60 × 2 + 3 = 123
123 × 2 + 4 = 250
So, 250 is the missing term of the series. Hence, the second option is correct.
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