Question

if 5,10,25,55,115,...? next series .
plz solve this question

Answer 1

$10 = 5 + 0 + 5$

$25 = 10 + 5 + 10$

$55 = 25 + 10 + 5 + 15$

$115 = 55 + 25 + 10 + 5 + 20$

Then the next will

$235$

$235 = 115 + 55 + 25 + 10 + 5 + 25$