Question : Which of the following ratios is the greatest?
Option 1: 2 : 5
Option 2: 7 : 10
Option 3: 5 : 6
Option 4: 1 : 3
Correct Answer: 5 : 6
Solution :
Given: The ratios are given.
Convert the ratios in decimal form and find the greatest ratio.
Option first: 2 : 5
$\frac{2}{5}=0.4$
Option second: 7 : 10
$\frac{7}{10}=0.7$
Option third: 5 : 6
$\frac{5}{6}=0.8$
Option fourth: 1 : 3
$\frac{1}{3}=0.3$
The greatest number is 0.8. So, the greatest ratio is 5 : 6.
Hence, the correct answer is 5 : 6.
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