There are two classes A and B consisting of 40 and 52 student respectively . If the average of weight of class A is 45kg and that of class B is 40kg.Find the average of weight of all the student of class A and B.

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#Question id: 1063

#XL - T Zoology

A key feature of all viral infections is the

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#Question id: 1064

#XL - T Zoology

An infection in which the virus is continually present in the body is referred to as

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#Question id: 1065

#XL - T Zoology

Resistance of some animals to certain viral diseases is based on

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#Question id: 1066

#XL - T Zoology

Carriers

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#Question id: 1067

#XL - T Zoology

The best known chronic infection involves

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#Question id: 1068

#XL - T Zoology

The best-known examples of viruses that cause latent infections are