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Q.

Cards marked with numbers 5 to 75 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number on the card is odd.


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a

36 71  

b

1 3  

c

1 2  

d

2 3   

answer is A.

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Detailed Solution

Given, cards marked with numbers 5 to 75 are placed in a box and mixed thoroughly. One card is drawn from the box.
The numbers that are not divisible by 2 are odd numbers.
The number of cards in between 5 and 75 is 71.
The possibilities of odd numbers are: 5,7,9,11.........75
Therefore, the total number of odd numbers 36 the probability of drawing card of odd number,
P(odd number) =Question ImageThe probability of drawing a card of odd number is 36 71   .
Hence, the correct option is 1.
 
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