Question
Solution
ATQ,
A box holds 8 green balls, 7 blue balls, and 5 yellow balls. Three balls are picked randomly. What is the probability that at least two balls are blue?
16 rotten bananas are accidentally mixed with 155 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
From a standard pack of 52 cards, what’s the probability of drawing either a Heart or a Queen?
A box consists of 125 apples out of which 25 are rotten. Khushboo comes to buy non-rotten apple. The shopkeeper takes out two apples and hands it over t...
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 2.5 times that of drawing a white ball, ...
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...
Two dice are thrown simultaneously. Find the probability that sum of the numbers appeared on both the dice is at least 7.
A game consists of tossing three coins once and then rolling two dice. Find the probability of getting no heads in the coin toss and a sum equal to 4 on...
A box holds a total of 'p' purple balls and 5 silver balls. Two balls are drawn sequentially without replacement. The probability that both selected bal...
In a basket, the ratio of the number of yellow and black marbles is 4:5, respectively, and the ratio of black to white marbles is 5:6. If the total numb...