RE: How many distinct car numbers can be formed using two letters and three digits? The two letters must be distinct and first digit should be non zero?
the two letters can be chosen in 26p2 ways
the first digit can be chosen in 9 ways(excepting 0) 2nd digit in 10 ways 3rd digit also in 10 ways. so the three no.s can be chosen in 900(9*10*10).
along with the letters it can be chossen in 26p2*900 ways= 585000ways(plz. check calc.)
RE: How many distinct car numbers can be formed using two letters and three digits? The two letters must be distinct and first digit should be non zero?
RE: How many distinct car numbers can be formed using two letters and three digits? The two letters must be distinct and first digit should be non zero?
RE: How many distinct car numbers can be formed using two letters and three digits? The two letters must be distinct and first digit should be non zero?
9 
0