Question

pls tell me this ques I am doing maths tight now​

Answer 1

Answer:

okay

so

Step-by-step explanation:

blue ball are 2 and red are 3 as he said blue ball are double of red ball so 2+2 =4then add 1 ball is 5 balls

Answer 2

Answer:

10

Step-by-step explanation:

let no. of blue balls be x

then total no. of preferences = 5+x

thus P(red ball) = 5/(5+x)

and P(blue ball) = x/(5+x)

acc. to question,

x/(5+x) = 2(5/(5+x))

or,   x=10

hope you understand