[" Inf worls,"x" the letters of the word DAUCNTIR "],[" ormed from the letters of the word DAD be formed using all the letters of "],[" iny words,with or withe sthat the vowels and consonants occur many ways "],[" I EQUATION at a time so that the vowels and consonants occur many ways "],[" Calages the formed from 9boys and 4girls.In how many ways "]