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Question Number 73746 by mhmd last updated on 15/Nov/19

total numper of words formed by 2 vowels and 3 consonants take from vowels and 5 consonants is equal to ?  pleas sir help me ?

$${total}\:{numper}\:{of}\:{words}\:{formed}\:{by}\:\mathrm{2}\:{vowels}\:{and}\:\mathrm{3}\:{consonants}\:{take}\:{from}\:{vowels}\:{and}\:\mathrm{5}\:{consonants}\:{is}\:{equal}\:{to}\:? \\ $$$${pleas}\:{sir}\:{help}\:{me}\:? \\ $$

Commented by MJS last updated on 15/Nov/19

something′s missing

$$\mathrm{something}'\mathrm{s}\:\mathrm{missing} \\ $$

Answered by ajfour last updated on 15/Nov/19

^5 C_2 ×^5 C_3 ×5! = 12,000 .

$$\:^{\mathrm{5}} {C}_{\mathrm{2}} ×\:^{\mathrm{5}} {C}_{\mathrm{3}} ×\mathrm{5}!\:=\:\mathrm{12},\mathrm{000}\:. \\ $$

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