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$question$
Which is the greater of the following pairs of ratio : 1/2:1/3 , 1/4:1:9?
$answer$
1/4:1/9

Please provide the proper step-by-step explanation of the answer. Improper and irrelevant answers will be reported. Thank you

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Answer 1

The greatest of the following pairs =

• 1/2:1/3

=1×3/1×2

=3/2

=1.5

• 1/4:1/9

=1×9/1×4

=9/4

=2.25

So the second is the greatest pair...

Answer 2

Step-by-step explanation:

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CBSE

Mathematics

Grade 8

Ratio and Proportions

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Related Questions

Which ratio is larger in the given pairs?

1 : 2 or 13 : 27

Answer Verified

Hint: In this problem, we will first convert these two given ratios in terms of fractions. Then we will compare the fractions by making the numerator or denominator in both of them equal, and then check which of them is smaller or larger. The ratios can be converted into fractions as-

x:y=xyx:y=xy

Complete step-by-step answer:

We have been given the two ratios 1 : 2 and 13 : 27. We will first convert them into fractions, so that they can be easily compared to each other as-

1:2=121:2=12

13:27=132713:27=1327

Now, we have to convert these fractions such that they can be compared to each other. To do this, we can either make their denominators equal or their numerators equal. We will try to make the numerators equal. So, we will multiply the numerator and denominator in the first ratio by 13, which can be written as-

12=1×132×13=132612=1×132×13=1326

Now these two fractions are in their comparable form. They have the same numerator but different denominators. We can use the property that the larger the denominator the smaller is the number, that is, the value of a fraction is inversely proportional to its denominator. We know that 27 is greater than 26, so we can write that-

27>26⇒127<126⇒1327<13261327<1227>26⇒127<126⇒1327<13261327<12

Hence, we can see that the ratio 1 : 2 is greater than the ratio 13 : 27. This is the required answer.