A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What building has the most stories?

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

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

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?

In the four images below, can you find the odd one out?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?