Question
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize ?
Answer: Option C
P (getting a prize)
$$\eqalign{
& = \frac{{10}}{{\left( {10 + 25} \right)}} \cr
& = \frac{{10}}{{35}} \cr
& = \frac{2}{7} \cr} $$
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P (getting a prize)
$$\eqalign{
& = \frac{{10}}{{\left( {10 + 25} \right)}} \cr
& = \frac{{10}}{{35}} \cr
& = \frac{2}{7} \cr} $$
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