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Two mental balls with the

A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How
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2. asked by Bella
3. 740 views
Two mental balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and
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2. asked by Sandra Trea
3. 46 views
suppose a hat containing 100 balls consists of 20blue ball,30yellow balls,30red balls and 20green balls.a sample of 5 balls is
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2. asked by pat
3. 727 views
Two balls are released from the same height on the moon. They both reach the ground at the same time. Which statement is correct
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2. asked by Katy
3. 755 views
There are 30 pieces of 4 different colours but same size balls in a bag.Asmo is asked to take out balls from the bag with closed
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2. asked by vault tec
3. 879 views
A primary school teacher has 2 red balls , 2 blue balls, 2 yellow balls , 3 green balls , in how many ways can 9 coloured balls
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2. asked by Ndingoho
3. 246 views
There are 5 red balls, 5 white balls and 3 green balls in a bag. Nelson is blindfolded before he draws 3 balls from the bag.
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2. asked by panu9oeae
3. 635 views
A box contains 6 red balls, 4 blue balls, and 2 green balls. Three balls are randomly drawn (without replacement) from the box.
1. 3 answers
2. asked by Ryan
3. 4,084 views
There were some balls in Boxes X, Y and Z. For every 3 balls in Box X, there were 7 balls in Box Y. For every 5 balls in Box Y,
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2. asked by Est
3. 531 views
Four balls are simultaneously picked at random from a jar containing 2 red balls, 2 green balls, and 6 yellow balls.What is the
1. 2 answers
2. asked by Molly
3. 1,682 views