Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?