Question

1) Malaria,hepatitis,elephantiasis,dengue. = hepatitis
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Answer 1

Answer:

Malaria, hepatitis, elephantiasis, dengue- Hepatitis is the odd one out because it is a type of viral infection while the rest of three are spread through the bite of mosquitoes. ... Plague, AIDS, cholera, T.B. - AIDS is the odd one out because it is a viral disease while the rest of them are bacterial diseases.

Explanation:

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Answer 2

Malaria, hepatitis, elephantiasis, dengue- Hepatitis is the odd one out because it is a type of viral infection while the rest of three are spread through the bite of mosquitoes.