Q.

The king, queen and jack of clubs are removed from a deck of 52 playing cards and then well shuffled. One card is drawn at random from the remaining cards. Find the probability of getting a queen.

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a

1 49  

b

2 49  

c

3 49  

d

4 49   

answer is C.

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Detailed Solution

Given that from a pack of 52 playing cards, the king, queen and jack of clubs are removed. One card is selected from the remaining cards.
We need to find the probability of getting a queen.
Probability of an event E is defined as:
P(E)=Number of favorable outcomesTotal number of possible outcomes
A deck of cards contains 52 cards in it, that are 13 spade cards, 13 heart cards, 13 diamond cards and 13 club cards.
Three cards are removed from the pack of 52 cards.
Therefore, the remaining cards in the pack are:
52 – 3 = 49
Therefore, the total number of possible outcomes is 49.
There are a total of 4 queen cards but the queen of club is removed, therefore, we are left with 3 queen cards.
Therefore, the total number of favorable outcomes will be 3.
Let E   be the event that a queen card is drawn from the pack of 49 cards.
Now, the probability of getting a queen card is,
P E = 3 49  
The probability of getting a queen card is 3 49  .
Therefore, option 3 is correct.
 
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