X and Y are two alloys of Gold and Platinum prepared by mixing the metals in the ratio of 5:2 and 5:7, respectively. If we melt equal quantities of the alloys to form a third alloy Z, then the ratio of the quantity of Gold to the quantity of Platinum in Z will be:

RRB Group D, 17-Aug-22 S-1 2022

✓ Answer: B 95:73

Equal quantities of both alloys are mixed. Alloy X = 5:2, Total quantity = 5+2 = 7 units...(i). Alloy Y = 5:7, Total quantity = 5+7 = 12 units...(ii). Since equal quantities are mixed, (i)x12 + (ii)x7. Alloy X = 60:24, Alloy Y = 35:49, so Alloy Z = 95:73.

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X and Y are two alloys of Gold and Platinum prepared by mixing the metals in the ratio of 5:2 and 5:7, respectively. If we melt equal quantities of the alloys to form a third alloy Z, then the ratio of the quantity of Gold to the quantity of Platinum in Z will be:

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