Question

Which of the following number belong to the series 5,13,21,29,37, explain

Answer 1

45 is the answer because 5 add with 8=13

13 add with 8 = 21

21 add with 8 = 29

29 add with 8 = 37

so 37 add with 8 = 45

Answer 2

the gradation in the series is adding 8 to the number,

5+8=13

13+8=21

21+8=29

29+8=37

so the next number would be

37+8=45