In how many ways a Cricketer can make a Double century with fours and Sixes only?
The possible number of ways are; Every 3 fours = 2 sixes = 12 runs Therefore, every new combination is in the difference of 12 runs 8 is the lowest score for which fours are required and 200 is the maximum score for which fours are required. Therefore, number of possible ways = ((200-8)/12) + 1 = 17