CAT 2020 Question Paper | Quants Slot 1

CAT Questions

TThis question is from mixtures. An alloy is prepared by mixing three metals. We need to find the weight of one of the three metals. Arithmetic is an integral part of your CAT preparation. Questions from topics such as Mixtures and alligations have consistently appeared in every edition of the CAT exam. Make sure you practice CAT Previous Year paper to master this topic.

Question 24 : An alloy is prepared by mixing metals A, B, C in the proportion 3 : 4 : 7 by volume. Weights of the same volume of metals A, B, C are in the ratio 5 : 2 : 6. In 130 kg of the alloy, the weight, in kg, of the metal C is

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Video Explanation

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Explanatory Answer

A : B : C
3 : 4 : 7 (Volume)
5 : 2 : 6 (1L of each)
15 : 8 : 42 (Total)
Totally 65kg
Asked in 130 kg C’s weightage
In 65 kg C’s weight = 42kg, So in 130kg C’s weightage = 84kg

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The answer is, "84"

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