Multiple choice

What will come in place of question mark?

10, 11, 13, 14, 16, 17, 19, ?

  1. 21

  2. 20

  3. 18

  4. 22

  5. 23

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

As seen in the question, every number is following the pattern of operations + 1, + 2, + 1, + 2 ....

10 + 1 = 11 11 + 2 = 13 13 + 1 = 14 14 + 2 = 16 16 + 1 = 17 17 + 2 = 19 Similarly, 19 + 1 = 20