But it isn't obvious
Probability
Level
2
A teacher wanted to hold a competition in which either 10 boys would take part or 13 girls would take part. In how many ways can she make her choice?
The answer is 2.
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1 solution
She does not have to choose some number of boys and girls from the given number. She can choose only in 2 ways either 10 boys or 13 girls.