what is the equivalent compound ratio of 5 6 7 10 6 5 | Examsbook

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Q: What is the equivalent compound ratio of 5:6::7:10::6:5 ?

1
7 : 9
2
9 : 7
3
7 : 4
4
7 : 10

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Answer : 4. "7 : 10"
Explanation :
Answer: D) 7 : 10 Explanation: Given 5:6 :: 7:10 :: 6:5 We know that compound ratio is calculated as a:b :: c:d :: e:f(axcxe):(bxdxf) => (5x7x6):(6x10x5)=> (210):(300)= 7:10

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