if the numerator of a fraction is in creased by 250% and the denominator is increased by 300%, the resultant fraction is 7/9. What is the original fraction?

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When the numerator of a fraction is decreased by 20% and its denominator is decreased by 50%, the new fraction obtained is 4/3 .  Find the original fraction?

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If 80% of a number exceeds 40% of it by 16, then find the number?

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If A gets 50% more than B, then by what percent does B get less than A?

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If the price of an article went up by 25%, then by what percent should it be brought down to bring it back to its original price?

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If two positive numbers are in the ratio 5:2 , then by what percent is the second number less than the first?

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Narasimha's salary was first increased by 40% and then decreased by 40%. If his present salary is Rs.16800, then what was his original salary?

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20% of Anna's marks is equal to 80% of Kish's marks which is equal to 40% of Kiran's marks. If Kiran's marks is 100, thon find the average marks of Anna and Kish?

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ln a college of 150 students, 40% of them passed. By what percent is the number of students who passed less than the number of failed students?

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In an election two candidates contested. X candidate secured 60% of the valid votes and won by a majority of 280 votes. Find the total number of valid votes?

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There is a 40% increase in the price of an article in the first quarter of a year, a 20% decrease in the second quarter and a 10% increase in the next quarter. If the final price of the article is Rs.3696, then what was the price of the article initially?