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Town A and Town B have some area that is common to both the town,Such that the area of town A that lies in town B is 20% of the area of the town B that does not come in town A.The percentage of town B that lies in town A,rounded off to the nearest integer is?

Need solution on following problems: 1. Some toys cost $15 for 20 toys and they are sold for at $20 for 15 toys. Determine the percentage profit 2. By mistake the profit was calculated on the SP and calculated profit was 20%. Determine the actiual profit 3. Two watches were sold for 48$ each. If there was a profit of 20% in the sale of first watch and loss of 20% on sale of other watch, determine the net profit or loss

Hi, Can anyone solve the below question from the topic 'Percentages'. I really don't have a clue on how they get the below answer. Need your solution please. Percentages: 1. In a survey, it was found that 10% of the students who are susceptible to tuberculosis are less than 20 years of age and 40% of the students who are not susceptible to tuberculosis are more than or equal to20 years of age. If 9% of the total students are more than or equal to 20 years of age and are susceptible to tuberculosis, then what percentage of the students, that are 20 years old or more, are not susceptible to tuberculosis? (A) 20% (B) 36% © 45% (D) 54% (E) 80% Answer : (E) 2. In a Election, Xandra got 33 1/3% more votes than Yasmin and Yasmin got 25% less votes than Zelia. Quantity A : Number of votes received by Xandra Quantity B : 8% of votes received by Zelia Answer : (A) 3. 16th% of 25 = (A) 1/64 (B) 2/32 © 3/16 (D) 16 (E) 64 Answer : (A) 4. At the end of year 1994, the profits of company A increased by 40%, while company Y suffered a loss of 20%. At the end of year 1995, the profits of company X decreased by 20%, while company Y enjoyed an increase of 40% in its profits. Quantity A : Earnings of Company X at the end of 1995 Quantity B : Earnings of Company Y at the end of 1995 Answer : (D) (I'm getting C as answer) Please provide an explanation for these questions. Thanks.

There are twice as many girls as boys in a class. If 30% of girls and 45% of boys have already submitted their reports, What percentage of students have not yet handed their reports ?a)25 b)35 c)50 d)65 e)75