Ratio and Proportion 1. Divide Rs. 1870 in three parts such that half of the first part, one-third of the second part and one-sixth of the third part are equal. A. 270, 840, 1160 B. 341, 243, 245 C. 400, 800, 670 D. None of the above 2. A and B are the two alloys of copper and brass prepared by mixing metals in the proportion of 7:2 and 7:11 respectively. If the equal quantities of two alloys are melted to form a third alloy called C, then the proportion of copper and brass in C will be, A. 5:9 B. 5:7 C. 7:5 D. 9:5 3. The incomes of X and Y are in the ratio of 3:2 and their expenditures are in the ratio of 5:3. If each of them saves Rs. 1000, then, A’s income can be, A. Rs. 3000...
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