What is the riddle which can be asked all day with a different correct answer each time.

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.

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

what does this below rebus represent identXQQQQQME

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?