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Weight of Nikhil increased from 60 kg to 66 kg. Then, the increase in weight is _______ %.

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A _______ with its denominator 100 is called a per cent.

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15 kg is _______ % of 50 kg.

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In a class of 50 students, 8 % were absent on one day. The number of students present on that day was ________.

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Savitri obtained 440 marks out of 500 in an examination. She secured _______ % marks in the examination.