Guess the number

How many coins are in there?
i've collected 815 coins in total in that game. How many of that came from these beautiful lines?
1. 200 satoshi win for every correct guess
a. less then 700
b. 700  720
c. 721  740
d. 741  750
e. 751  760
f. more2. 2000 satoshi win for an EXACT guess (4 guesses allowed)

 a less than 700
 815 , 424 , 477 , 530

a. less then 700

less then 700
2 u got 0.000 004 07 satoshi
answer will be 135 or 136 ,134,138

b
707!