White when dirty

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




Similar Riddles

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

Asked by Neha on 26 Dec 2020


There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Asked by Neha on 17 May 2021

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Asked by Neha on 12 Jul 2023


Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

Find the different watermelon

Asked by Neha on 31 Aug 2026

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

Asked by Neha on 03 Apr 2026

What is the word or phrase?


HOROBOD Rebus riddle

Asked by Neha on 10 May 2021


Why 1729 is a magic number? Answer Logically.

Asked by Neha on 08 Dec 2023

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?

Asked by Neha on 21 Oct 2024

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Asked by Neha on 17 Oct 2023


Can you find out the remainder when 3^300 is divided by 5?

Asked by Neha on 31 Oct 2023

Hot Articles

Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.