Question : If 60% of P = ($\frac{6}{7}$) of Q, then what is P : Q?
Option 1: 10 : 7
Option 2: 18 : 5
Option 3: 9 : 5
Option 4: 17 : 19
Correct Answer: 10 : 7
Solution :
According to the question
$\frac{60P}{100}=\frac{6Q}{7}$
⇒ $\frac{3P}{5}=\frac{6Q}{7}$
⇒ $\frac{P}{Q}=\frac{30}{21}=10:7$
Hence, the correct answer is 10 : 7.
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