I travel all around the world but always stay in the corner. What am I?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Why is it very easy to weigh a fish?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

Who always enjoys poor health?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

What happened when the wheel was invented?

How is a fly different from a mosquito?