Question

Question 7
Rekha has 10 red bangles, 20 blue bangles and 10
orange bangles in a box.
In complete darkness, and without looking, what is the
minimum number of bangles must she take out from
the box in order to be sure to get two of the same
colour?​

Answer 1

Answer:

1/20 ans

Step-by-step explanation:

N(s)=40

N(E)=2

P(E)= N(E)/N(S)

2/40

=1/20

Hope it's help you if it's correct...