Question
In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?
Answer: Option B
WE CAN SELECT ONE BOY FROM 20 BOYS IN 20 WAYS.
WE SELECT ONE GIRL FROM 25 GIRLS IN 25 WAYS
WE SELECT A BOY AND GIRL IN 20 * 25 WAYS I.E., = 500 WAYS.
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WE CAN SELECT ONE BOY FROM 20 BOYS IN 20 WAYS.
WE SELECT ONE GIRL FROM 25 GIRLS IN 25 WAYS
WE SELECT A BOY AND GIRL IN 20 * 25 WAYS I.E., = 500 WAYS.
Was this answer helpful ?
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