Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

What do you see in the given picture?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

What number should come in place of the question mark below?

Solve the equation in the image by looking at the pattern closely.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?