If 1 = Single , 2 = Double , 3 = Triple , 4 = Quadruple , what are 5 , 6 , 7 , 8 , etc. called ?
How many ways can the digits 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , and 9 be arranged so that no even digit is in its original position ?