On a given day, a hospital had 50 admissions with about 20 girls and 30 boys, out of which 10 girls and 20 boys needed surgery. What is the possibility of picking up a person requiring surgery -
Ans. is 'b' i.e., 3/5 o Out of 50, 30 (10 girls + 20 boys) persons required surgery. So, every individual has a 30/50 (3/5) chance of having surgery.
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