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?

A man dies of old age on his 25 birthday. How is this possible?

Can you write down eight eights so that they add up to one thousand?

What is the riddle which can be asked all day with a different correct answer each time.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

What does below chemistry rebus means?

What is the longest word in the dictionary?

How many letters are in the alphabet?