1. Out of 35 students participating in a debate so are girls. What is

1.	1. Out of 35 students participating in a debate so are girls. What is the probability that2. There are S balls, t each of the colours white, blue, red, green and yellow in a bag Iwinner is a boy?ball is drawn from the bag, then what is the probability of getting a red ball?
Answer» 1)The total number of students = 35 The number of girls = 10 The number of boys = 35-10 → 25 ⇒ probability = total number boys/ total number of students ⇒ probability = 25/35 ⇒ 5/7 ∴ 5/7 is the probability of winning of boys.

1. Out of 35 students participating in a debate so are girls. What is the probability that2. There are S balls, t each of the colours white, blue, red, green and yellow in a bag Iwinner is a boy?ball is drawn from the bag, then what is the probability of getting a red ball?

Answer»

1)The total number of students = 35 The number of girls = 10 The number of boys = 35-10 → 25

⇒ probability = total number boys/ total number of students ⇒ probability = 25/35 ⇒ 5/7 ∴ 5/7 is the probability of winning of boys.