Find the next number: 11, 13, 17, 19, ?
Question and options
Find the next number: 11, 13, 17, 19, ?
- 21
- 27
- 23
- 33
Answer and explanation
Correct answer: C - 23
11, 13, 17 and 19 are consecutive prime numbers, so the next term is the next prime, 23. 21 (3 x 7), 27 (3 x 9) and 33 (3 x 11) are not prime.
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CUSAT CAT Integrated IPR Ph.D.
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