Aarti’s Scored 350 marks out of 500 in Ist Semester exams . Find Aarti’s percentage.
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Air pollution is the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. There are different types of air pollutants, such as gases, particulates, and biological molecules.
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% marks in first term=
500
372 ×100=74.4%
% marks in second term= 500
422×100=84.4%
Increase in %=84.4%−74.4%=10%.
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