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Standard XII
Mathematics
Combination
A bag contain...
Question
A bag contains
3
red and
2
black balls. One ball is drawn from it at random. Find the probability of drawing red ball.
A
2
5
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B
3
5
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C
4
5
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D
1
5
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Solution
The correct option is
A
3
5
No o.f red balls
=
3
NO.off Black balls
=
2
Total no .of balls
=
2
+
3
=
5
Probability
=
no of red balls
total mo. of balls
=
3
5
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