Question
In a box there are 8 red, 7 blue, and 6 green balls. One
ball is picked up randomly. What is the probability that it is neither red nor green?Solution
Total number of balls = 21 Probability of a ball is neither red nor green = 7C1 / 21C1 = 7/21
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How many students from Delhi who got scholarship in the years 2013, 2014 and 2017 together?
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The total number of students from Delhi who got scholarship is approximately what percent of the number of students from Assam who got scholarship in ye...
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