A class having 200 students. The ratio of boys to girls is 2:3 find the probability of girls in a class room.
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Answer:
3/5
Step-by-step explanation:
Let the ratio be 2x:3x.
According to Question,
2x + 3x = 200
=> 5x = 200
=> x = 200/5
=> x = 40
Number of girls = 3×40 = 120
Probability of a girl = 120/200 = 3/5
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3/5 is the right answer
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