Question

bīs
c)
a)
13
3
52
d) none
In his pocket, a boy has 3 red marbles, 4 blue marbles
out of his pocket to ensure that he has taken out at
and 4 green marbles. How many will he have to take
least one of each colour?
a) 3
b) 8
c) 9
d) 11​

Answer 1

Answer:

Total number of marbles = 3+2+4 = 9 .

Number of non-white marbles = 3+4 = 7.

∴ P(getting a non- white marble) =

7

9