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The ratio of sand and gravel in a mixture is 12 ∶ 5 while that between gravel and cement is 8 ∶ 16. What is the ratio of sand and cement in the mixture?
The ratio of sand to gravel in a mixture is 7 : 8 while that between gravel and cement is 6 : 7. What is the ratio of sand to cement in the mixture?
The ratio of sand to gravel in a mixture is 15: 8 while that between gravel and cement is 10: 12. What is the ratio of sand to cement in the mixture?
The ratio of Sand to gravel in a mixture is 15 : 8 while that between gravel and cement is 6 : 17. What is the ratio of sand to cement in the mixture?
The ratio of sand to gravel in a mixture is 17 : 9 while that between gravel and cement is 6 : 17. What is the ratio of sand to cement in the mixture?
The ratio of sand to gravel in a mixture is 3 : 4, while that between gravel and cement is 6 : 7. What is the ratio of sand to cement in the mixture?
A mixture of 50 kg of cement and gravel contains 10% of gravel. How many kg of gravel must be added to make the gravel content 28% in the new mixture?
A mixture of 50 kg of cement and gravel contains 10% of gravel. How many kg of gravel must be added to make the gravel content 28% in the new mixture?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Concrete is the most widely used material in existence and is only behind water as the planet's most-consumed resource. B: Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. C: Cement is seldom used on its own, but rather to bind sand and gravel (aggregate) together.  D: A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together.
The ratio of clay and gravel in a mixture is 11 : 8, while that of gravel and cement is 6 : 7. What is the ratio of clay and cement in the mixture?