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Which of the following ratios are in proportion?(a) 3 : 5, 6 : 11(b) 2 : 3, 9 : 6(c) 2 : 5, 10 : 25(d) 3 : 1, 1 : 3 |
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Answer» (c) 2 : 5, 10 : 25 |
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