The number of five - digit numbers having the product of digits 20 is

The number of five - digit telephone numbers having atleast one of their digits repeated is (00000 is also a telephone number)

Number of five digit integers such that the product of their digits is 2000 is 2K then K equals

The number of three digit numbers having only two consecutive digits identical is

The number of three-digit numbers having only two consecutive digits identical is

The number of 4 digit natural numbers such that the product of their digits is 12 is