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Question Number 73746 by mhmd last updated on 15/Nov/19
$${total}\:{numper}\:{of}\:{words}\:{formed}\:{by}\:\mathrm{2}\:{vowels}\:{and}\:\mathrm{3}\:{consonants}\:{take}\:{from}\:{vowels}\:{and}\:\mathrm{5}\:{consonants}\:{is}\:{equal}\:{to}\:? \\ $$$${pleas}\:{sir}\:{help}\:{me}\:? \\ $$
Commented by MJS last updated on 15/Nov/19
$$\mathrm{something}'\mathrm{s}\:\mathrm{missing} \\ $$
Answered by ajfour last updated on 15/Nov/19
$$\:^{\mathrm{5}} {C}_{\mathrm{2}} ×\:^{\mathrm{5}} {C}_{\mathrm{3}} ×\mathrm{5}!\:=\:\mathrm{12},\mathrm{000}\:. \\ $$