Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

How can you make number one disappear by adding something to it?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you write down eight eights so that they add up to one thousand?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?