Question

Complete the series. 11, 13, 17, 19, ?

• A. 21
• B. 23
• C. 25
• D. 27

Answer 1

Answer:

B. 23

The numbers are:

11, 13, 17, 19, ?

These are consecutive prime numbers:

• 11

• 13

• 17

• 19

The next prime number after 19 is 23.

Answer: 23