You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you find out which options fits best with the missing column?

How can one talk without saying a single word?

What begins with T, ends with T, and has T in it?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?