What two things can you never eat for breakfast?

Why is the Hole below a Lock?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

When it is alive we sing, when it is dead we clap our hands. What is it?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?