How many positive numbers not greater than 4300 can be formed using the digits 0,1,2,3,4 where repeatation is allowed?
Choose the most appropriate option
A) 576
B) 575
C) 620
D) 640
E) 660
1 digit = 5   2 digits = 4* 5= 
<gadget id="calculator">4* 5</gadget>
<output>20</output>
20   3 digits= 4*5*5= 
<gadget id="calculator">4*5*5</gadget>
<output>100</output>
100   Now,4 digit number till 4000 can have digits 1,2,3 in thousands place ( total choices= 3 )   0,1,2,3,4 in hundreds ,tens and ones place   I.e 3*5*5*5 = 375   Now From 4000 to 4299 = 1*3*5*5= 
<gadget id="calculator">1*3*5*5</gadget>
<output>75</output>
75   Total= 5+20+100+375+75+1= 
<gadget id="calculator">5+20+100+375+75+1</gadget>
<output>576</output>
576 (1 for 4300)   576NSWER:576
<result>A</result>
How many positive numbers not greater than 4300 can be formed using the digits 0,1,2,3,4 where repeatation is allowed?