Question

There are three marbles: 1 blue, 1 gray and 1 green. In how many ways is it possible to arrange marbles in a row if blue and green marbles have to be next to each other?

Answer 1

Answer:

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Answer 2

Given : three marbles: 1 blue, 1 gray and 1 green. In how many ways is it possible to arrange marbles in a row if blue and green marbles have to be next to each other

Answer:

There is 4 ways is it possible to arrange marbles

step by step explanation :

In three marbles ; 1) one blue, one green and one Grey

arrange in this type :

1) blue, green, Grey

2)Grey, blue,green

3)green ,blue ,Grey

4) grey, green,blue

Let's as write out all possible ways to the arrange marbles in a row and then find only arrangements than there are satisfy question's condition

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