Question
Vitamin D2 , also known as ______ comes from ______
foods.Solution
The correct answer is A
A bag contains 7 orange balls, 8 red balls and 5 black balls. Three balls are drawn at random. Find the probability that at least two balls are red.
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A bag contains x orange balls, (x + 5) purple balls and (x + 7) green balls. If probability of getting a purple ball is 1/15 more than that of getting a...
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