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The correct spelling is “Prevention.”The other options contain spelling errors.
A number is chosen at random from first 20 natural numbers. Find the probability that the chosen number is prime.
One five letter word is to be formed taking all letters – U, Z, M, O and Q. What is the probability that this formed word will contain all vowels tog...
The probability of selecting a rotten egg randomly from a basket of 1200 eggs is 0.22. What is the number of rotten eggs in the basket?
A bag contains 3 white balls , 5 blue balls , and 8 red balls . One ball is picked randomly from the bag and discarded. What is the probabil...
A bag contains 7 blue balls, 28 red balls, and 10 green balls. One ball is drawn at random. Find the probability that the ball drawn is either blue or g...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
There are 5 Red caps, 3 Green caps and 2 Blue caps in a box. 4 caps are chosen at random. What is the probability of their being 2 Red and 2 Blue caps?
A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
A box contains 8 red, 5 green, and 7 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls drawn are of...
Maria is taking a quiz that contains 3 questions, each with 5 options. Only one option is correct for each question. If Maria guesses all the answers, w...