Question

Q 1: A bag contains 90 cars bearing no. 1-90. What is the probability of getting-
(a) A perfect square
(b) 2 digit number
(c) No. Divisible by 5

Q 2: A bag contains 8 red balls and few black balls. If the probability of black balls is twice the probability of red balls then find the number of black balls.

Q 3: A Letter is chosen from the letters of the word 'ASSOCIATION' . Find the probability of getting-
(a) Vowel
(b) Consonant
(c) the letter 'S'

Q 4: If the probability of winning game is 2/x and that of not winning the game is 3/x then find the value of 'x' .
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Can anyone help me with these questions step by step please.
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Answer 1

Answer:

I am not sure all answers are correct but tried my best

Step-by-step explanation:

1) a) 9/90 or 1/10

b) 81/90

C) 18/90 or 2/90

2) 16 black balls

3) a) 6/11

b) 5/11

C) 2/11

4) x=5