Question
There are (m + 7) red roses, (m + 11) white roses and
βmβ pink roses in a bag. If the probability of picking a pink rose is 5/18, then find the value of βmβ.Solution
According to question, => {m/(m + 7 + m + 11 + m)} = 5/18 => m = 90/3Β => m = 30