Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What has lots of eyes, but can’t see?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Count the number of squares in the picture below.

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

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

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?