What is the coolest letter in the alphabet?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

what does this picture(rebus) riddle means ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

I have eight fingers and two thumbs but I do not live. What Am I?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?