Arithmeticmedium · Past Paper
If a:b = c:d, which of the following is true by Componendo and Dividendo?
A(a+b)/(a-b) = (c+d)/(c-d)
Ba/c = b/d
C(a-b)/b = (c-d)/d
Dab = cd
✓ Correct Answer: A — (a+b)/(a-b) = (c+d)/(c-d)
Componendo and Dividendo states that if a/b = c/d, then (a+b)/(a-b) = (c+d)/(c-d).
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