Q.

Find the probability of getting even numbers in a trial of rolling a die if the total outcome on rolling a die is 25.


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a

11 25  

b

12 25  

c

13 25  

d

14 25   

answer is A.

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Detailed Solution

It is given that the total outcome of rolling a die is 25.
Question ImageTotal number of outcomes of even numbers (2, 4, 6) in a trial = 5 + 6 + 0
= 11
For an event A, P(A)=Number of possible outcomesTotal number of outcomes.
Substitute the known values within the formula,
= 11 25  
The probability of getting an even number is 11 25  .
Hence, option 1 is correct.
 
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