- Raman has three children and he truthfully says, "at least one of my children is a girl." What is the probability that all of his children are girls?
A letter is taken out at random from ‘CHACHAKE’ and another is taken out from ‘PATAKHE’. The probability that they are the same letter is
...The probability that Kabir clears an interview is (2/5) and the probability that Simran fails is (1/4). Find the probability that both have the same res...
- ‘A’ and ‘B’ play a game. A fair coin is tossed 4 times. ‘A’ wins if all tosses give different results alternately. What is the probability of �...
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 4 red balls, 5 blue balls and 3 green balls in a jar. 2 balls are drawn at random. Find the probability that both balls are either green or red.
- 20 defective LED bulbs were mixed with 180 working LED bulbs. One bulb is selected randomly. What is the probability that the selected bulb is defective?
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
- A girl appeared in 5 exams, each having a maximum of 200 marks. Her scores in the exams were 180, 150, 165, 190, and 175. She randomly tells her marks of o...
Max has a 1/4 chance of failing his Quant test and a 4/5 chance of passing his Reasoning test. What is the probability that he fa...