Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
4, 11, 20, 31, 44, ?
Option 1: 61
Option 2: 63
Option 3: 57
Option 4: 59
Correct Answer: 59
Solution :
Given:
4, 11, 20, 31, 44, ?
In the above-given series, add the consecutive odd numbers, starting from 7.
4 + 7 = 11; 11 + 9 = 20; 20 + 11 = 31; 31 + 13 = 44; 44 + 15 = 59
So, 59 is the missing number of the given series. Hence, the fourth option is correct.
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