How many 4 digit numbers are there, if it is known that the first digit is odd, the second is even, the third is prime, the fourth (units digit) is divisible by 3, and the digit 2 can be used only once?	Choose one
A) 20  B) 150  C) 225  D) 300  E) 380
4 options for the first digit:1, 3, 5, 7, 9;   5 options for the second digit: 0, 2, 4, 6, 8;   4 options for the third digit: 2, 3, 5, 7;   4 options for the fourth digit: 0, 3, 6, 9.   Four digit # possible without the restriction (about the digit 2): 5*5*4*4=400   Numbers with two 2-s, 2X2X 5*1*1*4=20.   Thus there are 400-20= 
<gadget id="calculator">400-20</gadget>
<output>380</output>
380 such numbers.   Answer: 380.
<result>E</result>
How many 4 digit numbers are there, if it is known that the first digit is odd, the second is even, the third is prime, the fourth (units digit) is divisible by 3, and the digit 2 can be used only once?