CAT Exam Model Paper 2 with solutions for free online practice

Question : 98 of 100

Marks: +1, -0

Two alloys made up of copper and tin. The ratio of copper and tin in the first alloy is 1:3 and in the second alloy it is 2:5. In what ratio the two alloys should be mixed to obtain a new alloy in which the ratio of tin and copper be 8:3?

3:5
4:7
3:8
5: 11

Validate

Solution:

(b)

Therefore, required ratio =

44/77=4/7

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