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

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

What will you call your mother's brother's brother-in-law?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

What do you get if you add 2 to 100 four times?

What number should come in place of the question mark below?

How many triangles are there on the puzzle below?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

Find the next number in the series.
1 10 24 43 67 ?

What's a single-digit number with no value?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?