Why is the Hole below a Lock?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What is red and smells like blue paint?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

How high do you have to count before you use the letter “a” in the English spelling of the whole number?