Can you find the key in the picture below?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

In the given picture, in how many ways can you read the word "Tiger"?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Count the squares in the matchstick puzzle below?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

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?

The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82