Question : Directions: Select the number that will come next in the following series.
2, 4, 7, 11, 16, ?
Option 1: 22
Option 2: 21
Option 3: 20
Option 4: 23
Correct Answer: 22
Solution :
Given:
2, 4, 7, 11, 16, ?
Add consecutive natural numbers, starting from 2 to the previous number to obtain the next number.
2 + 2 = 4; 4 + 3 = 7; 7 + 4 = 11; 11 + 5 = 16; 16 + 6 = 22
So, the missing number is 22. Hence, the first option is correct.
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