You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Which digit occurred maximum times between the number 1 and 1000?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

I can be cracked, made, told, and played. What am I?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

The dirtier I get, the whiter I look. Who am I?

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

The more it dries, the wetter it becomes. Can you tell what it is?