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

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

A bomb exploded in a room full of married couples and no one died. How?

Solve the counting riddle by identifying the number of triangles in the given picture.

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

What happened when the wheel was invented?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

Buy me, smell me or deliver me, I do not change.

Who am I?

By using 'because' continuously three times, can you make an English statement ?

Why do we preferably have round manhole covers and not square ones?

What has one letter and starts with an E?