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An interesting fact about equivalent fractions

Which one of the following facts abouts animals is incorrect?

Class 10 English | First Flight - Animals | Important Questions and Quick Revision

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3-10 kg of grain can produce "______" of meat by animal farming.

The gravitational attraction between electron and proton in a hydrogen atom is weaker than the coulomb attraction by a factor of about 10^(-40) . An alternative way of looking at this fact is to estimate the radius of the first Bohr orbit of a hydrogen atom if the electron and proton were bound by gravitational attraction. You will find the answer interesting.

Two statements are given followed by four conclusions numbered I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some goats are animals. No animal is bird. Conclusions: I. No animal is goat. II. No bird is goat. III. Some birds are goats. IV. Some animals are goats.