Question

The probability of choosing a green ball from a bag containing red & green balls is 3/7. If in total there are 42 balls in the bag, then there are ___________ green balls and __________ red balls??​

Answer 1

Answer:

suppose,

red ball - 3x

green ball 7 x

total no of balls in a bag 42

probability- Favourable outcome /total no of outcome

red ball 3 / 42

so,

14 red balls

now

green balls

similarly,

probability- favorable outs come/total no of outcome

7/42

so,

6 green balls

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