A coin is tossed successively three times. Find the probability of getting exactly one tail or two tails?
Ten tickets numbered 1 to 15 are placed in a box, mixed up thoroughly and then one ticket is drawn randomly. If it is known that the number on the drawn...
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
If the letters of the word PARAM are arranged at random, what is the probability that all vowels will come together?
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...
A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...A bag contains 6 red balls, 4 green balls, and 5 orange balls. If three balls are drawn at random from the bag, what is the probability that all three b...
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...
Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probabili...
Axe speaks truth only when Wye does not speak truth, then what is the probability that Zed does not speak truth on a question?
