Question

give five example where the of things counted would be more than 6 digit number?

Answer 1

Answer:

So, if we take n = 30, we have the power of 5 in 30! equals [305]+[3025]=6+1=7, and hence 30! will have more than six digits. Hence the five different examples where the number of things counted will be more than six-digit number are: i The number of ways in which 30 persons can be seated in a line