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

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What is both possible and impossible at the same time?