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Q:
A) 7 : 9 | B) 9 : 7 |
C) 7 : 4 | D) 7 : 10 |
Answer: D) 7 : 10
Explanation:
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