Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Can you count the number of triangles in the picture below?

Give it food and it will live; give it water and it will die.

How can you make a TV, a bed, a dog, and a car liquid?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What is harder to catch the faster you run?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

What begins with T, ends with T, and has T in it?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?