Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

In which direction should the missing arrow point?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Where do you go to learn how to make ice cream?

Can you identify the hidden rebus in the image below?