plz explain me how to solve Q2
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Look at each and every step really very carefully, because I did it all in my own way and somehow made it.
You must have basic knowledge about permutations and combinations for this question.
Tell me where you have any doubts.
You must have basic knowledge about permutations and combinations for this question.
Tell me where you have any doubts.
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pushkar7:
thanks for helping me out
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