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Questions 20
The ratio of copper and zinc in an alloy is 5 : 4. If 1.25 kg of zinc is added to 11.25 kg of this alloy, find the new ratio of copper to zinc.
medium csat mathematics mixture ratio
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The ratio of the ages of X and Y is 3 : 1. After 15 years, the ratio will be 2 : 1. Find the present age of X.
medium ages csat mathematics ratio
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The ratio of the ages of A and B is 4 : 5. If the sum of their ages is 81 years, find the age of B after 5 years.
medium ages csat mathematics ratio
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A bag contains ₹1, 50p, and 25p coins in the ratio 5 : 6 : 8. If the total value is ₹420, find the number of 50p coins.
hard coins csat mathematics ratio
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The ratio of the speeds of two cars is 3 : 4. If the first car covers a distance of 150 km in 5 hours, find the speed of the second car.
medium csat mathematics ratio speed
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A mixture of 40 litres of milk and water contains milk and water in the ratio 3 : 1. How much water must be added to this mixture so that the ratio of milk and water becomes 2 : 1?
hard csat mathematics mixture ratio
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In a partnership, A, B, and C invest ₹20,000, ₹25,000, and ₹30,000 respectively. If the total profit at the end of the year is ₹15,000, find B's share of the profit.
medium csat mathematics partnership ratio
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The ratio of the ages of X and Y is 7 : 3. After 4 years, the ratio becomes 2 : 1. What is the present age of X?
medium ages csat mathematics ratio
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A sum of ₹1200 amounts to ₹1320 in 2 years at simple interest. What is the rate of interest per annum?
medium csat logic math ssc
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A person buys a watch for ₹1200 and sells it for ₹1500. What is the profit percentage?
easy aptitude csat math ssc
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A sum of ₹5000 amounts to ₹5600 in 2 years at simple interest. What is the rate of interest per annum?
medium aptitude csat mathematics ssc
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If 10 men can complete a piece of work in 12 days, how many days will 15 men take to complete the same work?
medium aptitude csat mathematics ssc
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The sum of the ages of a father and his son is 45 years. Five years ago, the product of their ages was 34. What is the father's current age?
hard csat logic mathematics upsc
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A father is 30 years older than his son. In 5 years, the father's age will be three times the age of his son. What is the father's current age?
hard csat logic mathematics upsc
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A train 150 meters long is running at a speed of 54 km/hr. How much time will it take to cross a telephone pole?
medium aptitude csat math ssc
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In a certain code, 'APPLE' is written as 'BQQMF'. How is 'MANGO' written in that code?
easy csat logic reasoning ssc
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A boat goes 8 km downstream in 40 minutes and 6 km upstream in 40 minutes. What is the speed of the boat in still water?
hard aptitude csat mathematics upsc
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In a class of 60 students, 40% are girls. How many boys are there in the class?
easy aptitude csat mathematics ssc
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A sum of ₹1200 becomes ₹1344 in 2 years at a certain rate of simple interest. What is the rate of interest per annum?
medium aptitude csat mathematics ssc
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A person buys a watch for ₹900 and sells it for ₹1080. Find the profit percentage.
easy aptitude csat mathematics ssc
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