Math and General Science > 2018 > 5
National Common Entrance Exam
In a village, the number of people infected with HIV in 2001 was 100. In 2004, 250 people were infected. Find the ratio of those infected in 2001 to those infected in 2004.
A.
1 : 5
B.
2 : 5
C.
3 : 5
D.
5 : 1
E.
5 : 2
Answer: B
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