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प्रश्न
In a lottery there are 10 prizes and 25 blanks. What is the probability of getting a prize?
उत्तर
Total no. of possible outcomes = 35 {10 prizes, 25 blanks}
⟶ event of getting prize
No. of favourable outcomes = 10 {10 prizes}
Probability, P(E) =`"No.of favorable outcomes"/"Total no.of possible outcomes"`=10/35 =2/7
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