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: 11928

#Section 1: Ecology

In most species, deviations from equal proportions of males and females in a sexually-reproducing population will confer an advantage to genotypes that: 

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#Question id: 16859

#General Aptitude

I……… (write) to her last week.

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#Question id: 10867

#Section 1: Ecology

Plants that inhabit stable environments tend to produce ________ seeds.

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#Question id: 11053

#Section 2: Evolution

The key difference between a territory and a home range is

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#Question id: 10703

#Section 1: Ecology

Keystone predators can maintain species diversity in a community if they