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Kim and Lee's ages 8 years ago = 7x and 5x Present ages = 7x + 8, 5x + 8 Kim's present age = 40 - 4 = 36 years → 7x = 36 - 8 = 28 → x = 4 Lee's present age = 5(4) + 8 = 28 Ron's present age = (1/4) * 28 + 15 = 22
In each population, 30% of the population is affected with asthma out of which 90% of asthma patients used to work in flour mills. If 30% of the total p...
If 40% of 'P' is 60 less than 30% of 'Q', then find 250% of 'Q', given that (P + Q) = 900.
In 2018, the income-to-expenditure ratio of Vishal was 5:3. The following year, his income increased by 10% while his expenditure rose by 15%. Determine...
84 is what % of 120?
A person saves 25% of his monthly income. If his monthly is increased by 35% and he still saves the same amount as before then find percentage increase ...
A gets 34% of the full marks in an exam and fails by 80 marks. B gets 36% of the full marks in the same exam and he also fails by 64 marks. What is the ...
Out of a total of 120 students in a class, 50% are boys and the rest are girls. Out of the total number of students who appeared in the class test, 35% ...
During a particular year, 'R' managed to sell 1500 shirts. 'A' sold 30% more shirts than 'R', and 'X' sold 20% fewer shirts than 'A'. What is the ratio ...
In a class of 80 students, 60% are boys, and the remaining are girls. Out of the boys, 25% are good in mathematics, and out of the girls, 50% are good i...
A man spends 40% of his income on rent, 30% on food, and 20% on other expenses. He saves the remaining ₹12,000. What is his total income?
