Directions : Read the following information to answer the questions given below it. An um contain 5 red balls - 6 green balls and 7 blue balls. Two balls are drawn at random from the sum Two balls are drawn at random from the um. What is the probability that both the balls are of green colour ?

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Directions : Read the following information to answer the questions given below it. An um contain 5 red balls - 6 green balls and 7 blue balls. Two balls are drawn at random from the sum Two balls are drawn at random from the um. What is the probability that both the balls are of green colour ?