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Question

What is the compounded ratio of (ab):(a+b),(ab)2:(a+b)2 and (a+b)3:(ab)3

A
8:9
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B
5:7
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C
1:1
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D
3:5
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Solution

The correct option is C 1:1
By the defination of compound ratio these ratio can be expressed as
aba+b×(ab)2(a+b)2×(a+b)3(ab)3=11
Hence, 1:1.

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