There're four black box and each box has the same number of marbles. Only one of the following statements is correct about the number of marbles in it.

- Five or Six

- Seven or Eight

- Six or Seven

- Seven or Five

How many marbles are there in each box?

There are 5 blue , 8 green , 9 white and 2 black marbles in the box . At least how many marbles must Darrell draw before he gets the first green one.

An had 60 marbles. An wanted to put them in bags so that there are equal numbers of marbles in each bag. How many ways can An equally put the 60 marbles in bags? (Including the case putting in one bag)
Answer: There are .....  ways.

The  ratio  of  white  marbles  to  black  marbles  was 2 / 3 . After 6 white marbles were removed and 6 black marbles were added,the new ratio was 1/2.How many white marbles were there at first ?

An had 60 marbles. An wanted to put them in bags so that there are equal numbers of marbles in each bag. How many ways can An equally put the 60 marbles in bags? (Including the case putting in one bag)
 

Debbie keeps her marble collection in a jar. Of the 50 marbles in the jar, 15 are red, 10 are blue, 20 are green and 5 are yellow. Debbie chooses randomly 30 marbles from the jar. How many of these marbles can she expect to be red?
Answer:  marbles

A bag contains green marbles and red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then % of marbles are green.

a bag contains green marbles and red marble and red marbles only . If the ratio of the number of green marbles to the number of red marbles is 1:4 then............% of marbles are green