In a Quiz the points in each round for the first,second and third were 1000,50,20 . No other points were given. Sam participated in several rounds in the competition and the product of his score was 50000. In How many rounds did he participate? Choose the correct choice from the following
A) Cannot be determined B) 43 C) 3 D) 6 E) 10
Correct answer is A because we are given that there won't be any points awarded for rounds other than 1st three position.   Thus, it may happen that he played 100 rounds out of only 7 rounds were there in which he was awarded some points.
<result>A</result>
In a Quiz the points in each round for the first,second and third were 1000,50,20 . No other points were given. Sam participated in several rounds in the competition and the product of his score was 50000. In How many rounds did he participate?