John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

I can be cracked, made, told, and played. What am I?

Can you replace the question mark with the correct number?

Can you count the number of triangles in the given figure?

Can you find out the remainder when 3^300 is divided by 5?

Replace the question mark with the correct number in the below-given picture?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?