Question

5, 30, 155, 780, …
Question 10 answers

3905, 19530, 97655

905, 1020, 1145

1415, 2040, 2675

3065, 18690, 96815

Answer 1

Once again, tricky :)
What's 30-5?
What's 155-30?
What's 780-155?

Find a pattern :P

Answer 2

:D

Answer 3

25
125
625

Answer 4

mhmm :)
The sequence formed by the differences is a geometric sequence.
so you can bet that the next number will be the previous number plus (625 x 5)

Answer 5

I don't know lol :D

Answer 6

Okay... the sequence of differences, 25, 125, 625, you keep multiplying 5, right?

Answer 7

yeah

Answer 8

ooh so A?

Answer 9

So then next in this sequence is?

Answer 10

it's A

Answer 11

Yeah, confirmed.