I am white when I am dirty, and black when I am clean. What am I?

If your uncle’s sister is not your aunt, what relation is she to you?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

Can you find out who is the kidnapper in below Picture and why, Explain ?

How many times can you subtract the number 5 from 25?

I have branches, but no fruit, trunk or leaves. What am I?

What does this Rebus Picture means ?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?