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

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Who has married many women but was never married?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

What is wrong in the below Picture?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

In the image below, can you find the value of an angle(y)

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What Does this text mean:

important=important

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?