**Question: **What is the next number in the given series?

10^3, 10^9, 10^27, 10^2, 0, 4, 8, 3, ?

**Answer: **The next number in the series is 5.

The pattern is - the series of numbers containing first letter of the English alphabet starting from "A".

10^3 = one thous**A**nd

10^9 = one** B**illion

10^27 = one o**C**tillion

10^2 = one hun**D**reD

0 = z**E**ro

4 =** F**our

8 = ei**G**ht

3 = t**H**ree

5 = f**I**ve