Math, asked by gopika3497, 1 year ago

26. A bag contains 3 red and 7 black balls. Two balls are selected at random one by one without replacement. What is the probability that one of them is black?

Answers

Answered by prakharp7

1

The answer is 7/15.

Please mark brainliest!

Answered by prajapativinod511

1

no. of black balls=7

total number of balls=red balls+black balls

=3+7

=10

probability=no.of black balls/total no. of balls

7/10

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