A) \[\left[ \text{FL}{{\text{T}}^{-\text{2}}} \right]\]
B) \[\left[ \text{F}{{\text{L}}^{\text{2}}}{{T}^{-\text{2}}} \right]\]
C) \[\left[ \text{F}{{\text{L}}^{-\text{1}}}{{\text{T}}^{\text{2}}} \right]\]
D) None of these
Correct Answer: B
Solution :
There are two cases arise Case I When first is an ace of heart and second one is non-ace of heart, then probability \[\text{1J=1}{{\text{0}}^{\text{-3}}}\text{KJ}\] Case II When first is non-ace of heart and second one is an ace of heart, then probability \[=21kJ=21\times {{10}^{3}}J\] \[=\frac{28}{100}\times 21000\]Required probability \[=5880J\]
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