Question

In the following question, select the missing number from the given series.
11, 13, 16, 18, 21, ?

A) 29 B) 25 C) 27 D) 23

Answer 1

Answer:

I think the correct option is D

Step-by-step explanation:

11+2=13

13+3=16

16+2=18

18+3=21

21+2=23