Category Archives: marbles

A bag of marbles contains 10 green marbles, 5 red marbles, and 5 blue marbles. A marble is selected and returned to the bag 9 times. a.What is the probability that we will get at least 3 red marbles? 1/16

I have to make a boat out of a 10×10 sheet of aluminum foil that can hold as much marbles as possible! try experimenting which shape of aluminum floats best. For example, I think a box made of aluminum holds … Continue reading →

I remember the movie from when I was a kid, so I think it came out in the 80′s. Its about a group of kids who play marbles and tops. Its been awhile since Ive seen it so I can’t … Continue reading →

A bag contains 6 red marbles, 5 blue marbles, 9 white marbles and 5 yellow marbles. You are asked to draw 4 marbles from the bag without replacement. In how many ways can you draw two blue marbles? Hi Yayita … Continue reading →

a jar contains 4 blue marbles an 2 red marbles. Suppose you choose a marble at random, and DO NOT replace it. Then you choose a second marble. 1/3 Two out of six of the marbles are red so there’s … Continue reading →

A group of kids playing with marbles placed 30 pieces of the marbles inside a hexagonal prism with water filled to a height of 15cm. If the radius of the marble is 1.2cm and the base edge of the prism … Continue reading →

You’ve got five good sized sacks of marbles. Each contains 48 blue marbles, and a single red marble. Drawing one marble from each sack, what are the chances of drawing the red marble from two sacks of the five sacks, … Continue reading →

There are 10 red marbles, 30 white marbles and 20 black marbles in a bag. What is the probability that you take out a marbel and it will be red or white? 100% chance of picking any colour you like. … Continue reading →

You have 8 marbles, 7 of them weigh the same and one of them weighs different. You also have a balance scale. Within 2 weighings, how do you figure out which one is the weird one and whether it is … Continue reading →

I recently purchased a 1 and a Half gallon aquarium to house a Betta fish in. I have marbles of the bottom instead of gravel, will the Undergravel filter that came with the aquarium still work even with marbles? Yes,it … Continue reading →