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Q.

A die is thrown once. Find the probability of getting a number which is not a factor of 36.


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a

1 6  

b

2 3  

c

4 3  

d

5 6   

answer is A.

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Detailed Solution

Given, a die is thrown once.
The probability of an event to be occurred is the division of the number of favourable outcomes by the total number of outcomes that is,
Question ImageThe numbers that are multiplied to get the required number are the factors.
The factors of the number 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36.
The number of faces in a dice is 6.
The number 5 is not a factor of 36.
The probability of getting a number in the dice which is not a factor of 36 is
P( number in the dice which is not a fator of 36)= 1 6   The required probability is 1 6  .
Hence, the correct option is 1.
 
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