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Question Number 26732 by math solver last updated on 28/Dec/17
Commented by prakash jain last updated on 28/Dec/17
$$=\:^{\mathrm{5}} {P}_{\mathrm{4}} ×^{\mathrm{3}} {P}_{\mathrm{3}} =\mathrm{5}!×\mathrm{3}!=\mathrm{720} \\ $$