Can you divide the below-given shape into four equal and identical pieces?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

Why do you find that most of the buildings are deprived of the 13th floor?

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

Solve this riddle by finding the odd one out from the rest.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Can you decipher the two rows to find the hidden word?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.