in a box there are 5 distinct white and 6 distinct black balls. A person has to pick up 2 balls from the box such that there is one each of both the colours. In how many ways can he pick up the balls?
a)25
b)30
c)35
d(40
Answers
Answered by
2
Answer:
b 30
Step-by-step explanation:
Answered by
0
Step-by-step explanation:
from 5 take one 5c1
from 6 take one 6c1
5×6=30
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