If 10% of X = 15% of Y = 1/5 of Z, then X : Y : Z is
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → 6 : 4 : 3
When parts of three numbers are equal, giving the common value a number turns each into a plain value, and the ratio follows.
Assuming the common value to be 30:
10% of X \(=30\), so \(X=300\)
15% of Y \(=30\), so \(Y=200\)
\(\frac{1}{5}\) of Z \(=30\), so \(Z=150\)
X : Y : Z \(=300:200:150=6:4:3\)