Question
There are (m + 3) red roses, (m + 6) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/18, then find the value of ‘m’.
Solution
According to question, => {m/(m + 3 + m + 6 + m)} = 5/18 => m = 45/3 => m = 15
More Probability Questions
- The probability of selecting a rotten egg randomly from a basket of 1000 eggs is 0.16. What is the number of rotten eggs in the basket?
- The probability of selecting 2 one-rupee coins from a collection of 'a' one-rupee coins and 4 two-rupee coins is 1/3. Determine the probability of randomly...
- A bag contains 6 white balls, 4 red balls and 5 green balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colou...
- A bag contains 16 black and 18 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
- Two playing cards are drawn one after another without putting the first one back. What is the probability that at least one of them is an Ace?
- Sita tells the truth in 80% of cases and Geeta tells the truth in 30% of cases. Find the probability that at least one of them tells the truth.
- A bag contains 5 red, 4 blue and 3 green balls (12 balls in total). Two balls are drawn at random without replacement. Find the probability that both balls...
- A bag contains 3 red balls, 4 blue balls and 5 green balls. If two balls are drawn successively without replacement, what is the probability that one is re...
- In a purse, there are 3 two-rupee coins and 4 five-rupee coins. If you randomly select 4 coins from the purse, what is the probability that you will choose...
- A bag contains 6 blue, 9 yellow and 15 white balls. Two balls are randomly drawn from the bag, what is the probability that a blue and a white ball are dra...
