Answer:
1:street lamps are helping to fight the disease.
2:A vaccine is helping to fight the disease.
3:Genetically modified mosquitoes are helping to fight the disease.
Answer:
A number cube labeled with numbers 1, 2, 3, 4, 5 and 6 is tossed. What are the odds in favor of the cube showing an odd number?
My answer = 1:2