If 9:12:: 12: x, and 28: 42:: 42: y, then the value of 2x + y is:
A69
B79
C95
D84
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Related Questions:
An amount of ₹866 is divided among three persons in the ratio of 2 : 6 : 12. The difference between the largest and the smallest shares (in ₹) in the distribution is
നൂറ്റാണ്ടിന്റെ അവസാന ദിവസം ആയിരിക്കില്ല
4a = 6b = 8c ആയാൽ a : b : c =
156 : ? : : 182 : 342
The third proportional to x and x + 100 is 405, find the value of x (where x > 100).