Last Updated On [03-11-2023]
A drawer contains a mixture of red and blue socks, at most 17 in all. It so happens that when two socks are selected randomly without replacement, there is a probability of exactly 1/2 that both are red or both are blue. The largest possible number of red socks in the drawer that is consistent with this data is
A drawer contains a mixture of red and blue socks, at most 17 in all. It so happens that when two socks are selected randomly without replacement, there is a probability of exactly 1/2 that both are red or both are blue. The largest possible number of red socks in the drawer that is consistent with this data is
Question ID - 153501 :-
A drawer contains a mixture of red and blue socks, at most 17 in all. It so happens that when two socks are selected randomly without replacement, there is a probability of exactly 1/2 that both are red or both are blue. The largest possible number of red socks in the drawer that is consistent with this data is
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A drawer contains a mixture of red and blue socks, at most 17 in all. It so happens that when two socks are selected randomly without replacement, there is a probability of exactly 1/2 that both are red or both are blue. The largest possible number of red socks in the drawer that is consistent with this data is |
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(7) Let there be Then,
Since As
Solving, we get |
red socks and 
blue socks. Let 
must be an integer 
Next Question :
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Two different numbers are taken from the set (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10). The probability that their sum and positive difference are both multiple of 4 is |
, then 
equalsView Topper Answer
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