Question

15,35,45,55,70,? in number series​

Answer 1

according to me,, 80 will come .......

Answer 2

Answer:100

Step-by-step explanation:

Difference between each elements

15 35 45 55 70

20 10 10 15

Now relation between them is

20 * 0.5 = 10

10 * 1.0 = 10

10 * 1.5 = 15

So, that implies next we should multiply with 2.0

15 * 2.0 = 30

Adding 70,

70 + 30 = 100

Therefore, final number in place of '?' is 100