JEE Math Practice Question
Four dice are thrown simultaneously and the numbers shown on these dice are recorded in 2 $$\times$$ 2 matrices. The probability that such formed matrix have all different entries and are non-singular, is :
- A.$${{45} \over {162}}$$
- B.$${{21} \over {81}}$$
- C.$${{22} \over {81}}$$
- D.$${{43} \over {162}}$$
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