A CREDIT CARD NUMBER HAS 6 DIGITS (BETWEEN 0 TO 9). THE FIRST TWO...

28. A credit card number has 6 digits (between 0 to 9). The first two digits are 12 in that order, the third digit is bigger than 6, the forth one can be equally divided by 3 and the fifth digit is 3 times bigger than the sixth one. How many credit cards can be made? (a) 27. (b) 36. (c) 72. (d) 112. (e) 422.