Category Archives: marbles
in how many ways can 5 differently colored marbles be arranged in a row?
in how many ways can 5 differently colored marbles be arranged in a row? A) 50 , B) 1/5! , C) 5! , D) 250 . The first marble can be one of 5 colours. For each of these 5 … Continue reading
What is the game we all played when we were younger where you drop the marbles onto a wet paper towel?
It’s the game where there were different colored marbles and you drop them on a moist towel and the loser is the one who breaks the towel and they all fall out. I’m not ghetto, nor was it kerplunk. I … Continue reading
How much are the number marbles each one has?
Abel, Benny and Charles have 249 marbles. Abel has 20 marbles more than Benny. Twice Charles numbers of marbles is 6 more than the sum of Abel and Benny’s marbles? Marbles of Benny—b: a + b + c = 249 … Continue reading
how to build a Rube Goldberg machine that separates marbles, paperclips and tooth picks?
I have to make a Rube Goldburg machine that separate marbles, toothpicks and paperclips into 3 separate containers. Any ideas on how i would build this? Marbles will roll and paperclips are magnetic so both can be extracted leaving the … Continue reading
How can you tell the difference between hand-made & machine made marbles?
I inherited 1000′s of marbles would like to keep the ones that are rare and have some value & sell the rest. if it’s hand made you can see maybe from the edges some deformities, but if it is machine … Continue reading
Probability of drawing less than two yellow marbles?
A bag contains 8 red marbles, 8 blue marbles, 10 white marbles and 8 yellow marbles. You are asked to draw 5 marbles from the bag without replacement. What is the probability drawing less than two yellow marbles? There are … Continue reading
What is the name of the game with a wooden board and marbles…?
Hey, I need to find out the name of the game that we have with a wooden board and marbles. The objective is to get all of your marbles to home where they are safe. You move them around the … Continue reading
Is it okay not to have gravel or marbles in the bottom of a fish tank?
I recently moved home from college. I brought my fish back but had to dispose of the heavy gravel. Is it okay if my fish tank does not have the gravel or marbles in the bottom for like a week? … Continue reading
what is the probability you select 2 green marbles?
A bag contains 4 red marbles. 4 blue marbles, and 6 green marbles. Half of each color are small marbles, and half are big marbles. Then you randomly select 3 marbles. What is the probability you select 2 green marbles? … Continue reading
How many marbles of each color were in the bowl in the end?
The number of gray marbles to black marbles in a bowl was in the ratio of 4:5. Later, 8 gray marbles were taken out and 20 black marbles were added into the bowl. After that, the ratio of gray marbles … Continue reading