Question
Which of the following is the most widely used method
for refining impure metals?Solution
The correct answer is C
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond?
A box contains 3 blue, 2 white and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it would be white.
A bag contains 5 red balls, 4 green balls, and 3 yellow balls. Two balls are drawn randomly. What is the probability that both are of the same color?
If the letters of the word HORIZON be arranged at random, what is the probability that all the vowels are together?
A jar contains 54 marbles each of which is blue green or white. The probability of selecting a blue marble at random from the jar is 1/3 and the probabi...
A bag contains 5 red bottles, 6 yellow bottles and 8 green bottles . 3 bottles are drawn randomly. What is the probability t...
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?
In how many ways can the letters of the word "COMPUTER" be arranged, and what is the probability that all the vowels in these arrangements always appear...
- The ratio of sugar to flour packets in a store is 6:7. If 18 more packets of each are stocked, the ratio becomes 4:5. Find the original number of flour pac...
A contains X green Balls, '7 Red Balls, and 5 Yellow Balls. The probability to pick Green Ball at random is 3/5. Another Bag B contains ‘6 green Balls...
Relevant for Exams:
