Archive for the ‘marbles’ Category
Tuesday, February 2nd, 2010
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 colours, the second marble can then be one of 4 colours.
For each of ...
Posted in marbles | 6 Comments »
Tuesday, January 26th, 2010
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 was a round game with a ring and it was ...
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Sunday, January 24th, 2010
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
b = 249 - a - c
Marbles of Abel—a
a = 20 + 249 ...
Posted in marbles | 2 Comments »
Friday, January 22nd, 2010
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 toothpicks.
Posted in marbles | 2 Comments »
Saturday, January 2nd, 2010
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 made, everything is perfect, the curves or sides are slippery as ...
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Saturday, December 19th, 2009
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 8 yellow marbles and 26 which are not yellow, a ...
Posted in marbles | 4 Comments »
Friday, December 4th, 2009
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 circular board by picking cards from a deck. You can ...
Posted in marbles | 2 Comments »
Wednesday, December 2nd, 2009
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? I will get some soon but I can't right now.
Sorry ...
Posted in marbles | 10 Comments »
Sunday, November 22nd, 2009
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?
What is the probability you will select all three of the same ...
Posted in marbles | 6 Comments »
Tuesday, November 17th, 2009
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 to black marbles became 4:11.
Beginning ratio:
= 4x to 5x
Ending ratio:
(4x ...
Posted in marbles | 4 Comments »