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OECD Headquarters: Paris, France Secretary-General: Mathias Cormann
The ratio of the ages of A and B is 3:5. If the difference between their ages is 10 years, what is the sum of their ages?
If the base radius of 2 cylinders are in the ratio 3 : 4 and their heights are in the ratio 4 : 9, then the ratio of their volumes is:
Total population of city P and Q is 3410 and 4620 respectively. If the ratio of number of males to females in city is P and Q is 7:4 and 4:3 respectivel...
A factory manufactures three types of products: X, Y, and Z. The average production rates are 50 units per hour for product X, 80 units per hour for p...
Three containers have their volumes in the ratio 3 : 4: 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio...
120 cookies were distributed among 20 students in a class such that each boy gets 8 cookies and each girl gets 4 cookies. Find the number of boys in the...
<p><p>A, B and C entered into a partnership by investing in the ratio of 7:4:5. At the end of the year, the total profit is in the r...