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We have, C has Black who lives two floors above the one who has Blue. The one who has Blue does not live on an even number floor. From the above condition, there are two possibilities. Neither B nor F has Orange. The one who has Orange is living above the one who has Blue but not lives on the topmost floor. E has neither Green nor Orange. From the above condition, case2 gets eliminated.
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the nu...
From a well-shuffled deck of 52 cards, two cards are drawn one after the other without replacement. What is the probability that the first card is a red...
Two hats are picked at random, what is the probability that all hats are of green colour?
A bag contains black and white balls, such that the probability of picking a black ball is 4/7. If the probability of picking two black balls without re...
A bag contains 9 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...The probability of selecting a rotten apple randomly from a heap of 1050 apples is 0.36. What is the number of rotten apples in the heap?
An instructor has a question bank consisting of 200 easy True / False questions, 300 difficult True / False questions, 400 easy multiple-choice question...
Out of three girls and five boys, five children are to be randomly selected for a dance programme. What is the probability that all the selected childre...