It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What breaks yet never falls, and what falls yet never breaks?

The answer I give is yes, but what I mean is no. What was the question?

Why is it very easy to weigh a fish?

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?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

How can you write nineteen in a manner that if we take out one, it becomes twenty?