In a lottery there are 10 prizes and 25 blanks.

Question:

In a lottery there are 10 prizes and 25 blanks. What is the probability of getting a prize?

Solution:

GIVEN: In a lottery there are 10 prizes and 25 blanks.

TO FIND: Probability of winning a prize

Total number of tickets is

Total number of prize carrying tickets is 10

We know that PROBABILITY = 

Hence probability of winning a prize is

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