Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

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?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

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

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

What makes this number unique: 8,549,176,320?

What does the below rebus riddle means?

What breaks yet never falls, and what falls yet never breaks?