The article mentions that two coal mines, Gevra and Kusmunda, are ranked 2nd and 4th respectively among the world's 10 largest coal mines.
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
Out of 6 white marbles, 3 blue marbles, in how many ways we select one or more marbles?
Roger Federer play 3 sets of a tennis match. The probability of his winning the three sets are 1/9,1/4,3/4 respectively. What is the probability that he...
In a lottery, there are 4 prizes and 20 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Tokens numbered 1 to 350 are in a bag. What is the probability that the Token drawn has a number which is a multiple of 6 or 7?
A bag contains 24 white and some black balls. If the probability of drawing a black ball from the bag is 1.5 times that of drawing a white ball, ...
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
One bag contains 5 yellow hats and 4pink hats. Another bag contains 3 yellow hats and 7pink hats. If one hat is drawn from each bag, what is the probabi...
A bag contains 19 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...
If a coin is tossed 10 times then what is the probability of getting three heads?