Directions: Complete the series.
2, 11, 23, 31, 41, ?
D
Correct answer
Explanation
From the series, it is clear that every term is the first prime number in its group, starting from 1 to 10.
2 is the first prime number between 1 to 10.
11 is the first prime number between 11 to 20.
23 is the first prime number between 21 to 30.
41 is the first prime number between 41 to 50.
Similarly, 53 is the first prime number between 51 to 60.