Question 87547
THE UNITS DIGIT MUST BE ODD & YOU HAVE 3 TO CHOSE FROM.
THE 10'S DIGIT CAN BE ANY ONE OF THE REMAINING 6 DIGITS. 
THE 100'S DIGIT CAN BE ANY ONE OF THE REMAINING 5 DIGITS.
THE 1,000'S DIGIT CAN BE ANY ONE OF THE RAMAINING 4 DIGITS.
THE 10,000'S DIGIT CAN BE ANY OF THE DIGITS 2,3 OR 4 = 3 DIGITS.
THUS WE HAVE 3*6*5*4*3=1080 NUMBERS.