Fill in the blanks to make the statements true.

Interest on Rs 12500 at 18% per annum for a period of 2 years and 4 months is ________.

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Interest on Rs 3000 at 10% per annum for a period of 3 years is ________.

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Amount obtained by depositing Rs 20,000 at 8 % per annum for six months is ________.

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25 ml is _________ per cent of 5 litres.

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If A is increased by 20%, it equals B. If B is decreased by 50%, it equals C. Then __________ % of A is equal to C.