What is the next number in the series 3,7,13,19....
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What is the next number in the series 3,7,13,19....
Answer: B. 29 — Solution: The sequence is formed by taking every second prime number starting from 3. List the prime numbers starting from 3: 3, 5, 7, 11, 13, 17, 19, 23, 29,…
- A.
21
- B.
29
- C.
31
- D.
30
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Correct answer: B
Solution: The sequence is formed by taking every second prime number starting from 3.
List the prime numbers starting from 3:
3, 5, 7, 11, 13, 17, 19, 23, 29, ...
Take every second prime starting at 3:
3, 7, 13, 19, 29
Therefore the next number in the series is 29.
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