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

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

Solve this riddle by finding the odd one out from the rest.

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

What two things can you never eat for breakfast?

Can you solve below mathematical equation?

2^1234 - 2^1233

I have Rs.50 and I spend it in the way as below.

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

I look at you, you look at me, I raise my right, you raise your left. What am I?