SOLUTION: Mr A is cracking a secret three digit code. He knows that first digit is a even number and the last digit must be an odd number. how many different combinations of the three digit

Question 1207390: Mr A is cracking a secret three digit code. He knows that first digit is a even number and the last digit must be an odd number. how many different combinations of the three digit code exist? (note: 0 is an even number).
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
first digit must be even = 0,2,4,6,8 = 5 possible.
second digit can be anything from 0 to 9 = 0,1,2,3,4,5,6,7,8,9 = 10 possible.
third digit must be odd = 1,3,5,7,9 = 5 possible.
possible number of combinations are 5 * 10 * 5 = 250.

RELATED QUESTIONS
An access code for a security system consists of a letter followed by four digits. The... (answered by stanbon)

a 3digit area code is required. 1 digit must be an odd number 2nd digit must be an zero... (answered by stanbon)

a four digit code is created from the digits 0 to 9. how many of these codes can be... (answered by Fombitz)

You have an electronic safe, and the code is five digits. The first digit cannot be a 1,... (answered by Fombitz)

I am a 3 digit number with 2 square nu8mbers. My last digit is 3x my middle digit and my... (answered by JBarnum)

an access code consist of a letter followed by four digits any letter can be used the... (answered by solver91311)

Freddie has forgotten the 6-digit code that he uses to lock his briefcase. He knows that... (answered by ikleyn)

How many different three-digit numbers can be formed from the digits 0-9 if the first... (answered by RAY100)

A 4-digit pin number is to be created using the digits 0 through 9. The first digit must (answered by ikleyn)