John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Can you spot the hidden girl in the picture below?

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

Can you count the number of blocks in the picture below?

What Time Should the last watch show in the below figure?

What time is it when an elephant sits on a fence?

What runs around the whole yard without moving?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?