Question Number 31895 by Tinkutara last updated on 16/Mar/18
Commented by Tinkutara last updated on 16/Mar/18
Thank you very much Sir for checking!
Commented by Tinkutara last updated on 16/Mar/18
Answer is 4⃣ but I got 461. Wrong options then?
Commented by mrW2 last updated on 16/Mar/18
$${C}_{\mathrm{6}} ^{\mathrm{11}} −\mathrm{1}=\mathrm{461} \\ $$