Question

Find the next number of 3, 15 35, 63, _.

Answer 1

Answer:

Step-by-step explanation:

the series is 3,15,35,63.

Here we see that successive difference is

12(15-3);20(35-15);28(63-35).

now we  see difference between successive difference is 8 and thereby next difference must be 36 as 36-28 is 8

hence next number should be 99(63+36)

Answer 2

Answer:

81 is write I think

I hope this will help u