Find the missing letter in the last circle logically in the given below picture.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Which Burger Is Different in below image?

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

Can you identify the hidden rebus in the image below?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

What has 88 keys?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?