શ્રેણી

3/5

6/20

1/3

1/8

9

13

4

17

26

31

28

25

12, 16, 20, 24

4, 8, 12, 16

10, 12, 14, 16

2, 4, 6, 8

4n - 1

2n + 1

3n

n + 2

540

450

460

455