Count the number of triangles in the picture below:

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Why did the Girl throw the butter out of the window?

There is a place where if I stand up straight, I will still be considered sideways.

What has one letter and starts with an E?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

What is the fastest way to double your money?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

I have Rs.50 and I spend it in the way as below.