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Doubt: I eliminated half of the possibility from $\binom{24}{2}$ to remove t₁>t₂ and got the answer as 2070.

              Somebody, please explain why I am wrong and the solution is correct.

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in Combinatory by (729 points)
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Due to those numbers are choosen but not arranged...

I mean you took that as combination but not as permutations.

If you take permutations then remove half of them, then you will get the correct answer
Ans of ME is correct. Because here permutation or arrangement already given. U just need to select it or combine it
I got it.

Thanks, @Shaik sir and @srestha ma'am
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