Why do we preferably have round manhole covers and not square ones?

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

Why is the longest human nose just 11 inches?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

Can you find the missing piece of the Porsche?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

It is always ahead of me yet I can never see it. What is it?