What is the next number in the series 3,7,13,19....

2024

What is the next number in the series 3,7,13,19....

  1. A.

    21

  2. B.

    29

  3. C.

    31

  4. D.

    30

Attempted by 27 students.

Show answer & explanation

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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