Question
LPG is a mixture of
________ÂSolution
Liquefied petroleum gas is a mixture  of ethane, propane  and butane. The main component is butane.
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
A bag contains 3 blue, 2 green, and 5 black pens. If five pens are selected randomly, what is the probability that exactly two are green and three are b...
 A bag contains 4 white balls, 5pink balls and 3 black balls. 2 balls are drawn randomly. What is the probability that there are no black balls?
Three persons. A, B and C. are given the same puzzle to solve. The probability that A, B and C will solve the puzzle is. 3/5., 2/3., and 1/4respectively...
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 1.3 times that of drawing a white ball, ...
Two unbiased dice are rolled. What is the probability that the first die shows a composite number and the second die shows a prime number?
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...
In a box, the ratio of green balls to yellow balls is 3:5. If 9 balls of each colour are added, the new ratio becomes 6:9.
Find the number of yel...
The probability that Leah will be accepted into program P is 60% and into program Q is 40%. Leah prefers program 'P' first, then 'Q', and finally 'R'. A...
A bag contains 5 red books, 7 yellow books and 7 green books . 3 books are drawn randomly. What is the probability that the ...
