Question

There are 15 boys and 20 girls in a class. What is the probability that-

i) a boy secures 1st position in class.​

Answer 1

Answer:

15+20= 45 your answer is 45

Step-by-step explanation:

because in probability no.substraction

Answer 2

Answer:

i) 15/35

Step-by-step explanation:

Probability= Number of Favourable outcomes/ total number of outcomes

Probability of the given situation= boys/ total number of students

                                                     = $\frac{15}{15 + 20}$

                                                     = $\frac{15}{35}$

Hope it helps :)

Mark brainliest please!!!