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18 years ago, The sum of age of a family of four members = 45 × 4 = 180 years Now at present, The sum of present age of four members = 180 + 18 × 4 =252 years Let the Present age of younger child be x years And the present age of older child = (x + 12) years Now, as per the question 252 + x + 12 + x = 45 × 6 2x = 270 – 264 2x = 6 x = 3 Hence the required ratio = (3+12) : 3 = 15: 3 = 5: 1
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84 is what % of 120?
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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?
