Q.

Two cards are drawn from pack and given that they are of different colours. The probability of getting one king and one Queen is

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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

1169

b

2169

c

4169

d

5169

answer is B.

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Detailed Solution

prob=2[C1   2×C1   2]C1   26×C1   26            =2169
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