Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6. What are the two numbers?
Two sisters we are, one is dark and one is fair,
In twin towers dwelling we're quite the pair,
One from land and one from the sea,
Tell us truly, who are we?
I have two arms, but fingers none. I have two feet, but cannot run. I carry well, but I have found I carry best with my feet OFF the ground. What am I?
I have two objects that look and feel exactly the same, however one is heavier than the other. How can you tell which one is the heavier one without using a scale?
Two sentries were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?" How did he know that his companion was smiling?
Although the guards were looking in opposite directions, they were not back to back. They were facing each other.
Two Identical Twins
Riddle:
There are two identical twins and one of them always lies and the other always tells the truth. You meet them both and ask one of them what the other would say if you asked him which one of them always lies. What will he say?
He will say that the other twin always lies because they are both the same person.
Two Trains In a Tunnel
Riddle:
Two trains enter a one-way tunnel at different ends exactly at 9:00, But they both come out the other end unharmed 5 minutes later. How is this possible?