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
$$\eqalign{
& P\left( {{\text{getting}}\,{\text{a}}\,{\text{prize}}} \right) \cr
& = \frac{{10}}{{10 + 25}} \cr
& = \frac{{10}}{{35}} \cr
& = \frac{2}{7} \cr} $$
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$$\eqalign{
& P\left( {{\text{getting}}\,{\text{a}}\,{\text{prize}}} \right) \cr
& = \frac{{10}}{{10 + 25}} \cr
& = \frac{{10}}{{35}} \cr
& = \frac{2}{7} \cr} $$
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