Which of the following completes the number sequence 4, 7, 11, 16,

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20

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21

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22

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23

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24
Which of the following completes the number sequence 4, 7, 11, 16,
20
21
22
23
24
Calculate the difference between consecutive given terms
74 = 3 \\ 117=4\\ 1611=5
We can find the series of the differences is an arithmetic sequence with a common difference 1. So the difference between the last given term and its next term is 6.
The next term is 22. C is the choice.