What is the coolest letter in the alphabet?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

You need to remove two matchsticks to make the below equation true. Can you do it ?