Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

How many times do a clock's hands overlap in a day ?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Move three sticks of the spiral below to form a square.

What word begins and ends with an E, but has only one letter?

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?

Which flower has two lips?

Move four matchsticks to the below square to form three squares?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?