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

What goes up but never comes down?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Can you spot the hidden girl in the picture below?

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

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

What word is pronounced the same if you take away four of its five letters?