Find the following ratio in the simplest form - 48 minutes to 1 hour .

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2:3

4:5

5:6

1:2

answer is B.

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Detailed Solution

Concept- The units of two quantities must match in order to compare them. When two ratios are converted into like fractions, they can be compared. We say that the two specified ratios are equivalent if the two fractions are equal. Four quantities are said to be in proportion if two ratios are equivalent (or equal).
The secret to answering this specific type of question is to combine both quantities into one to express them in fractional form or in ratios as the question specifies. For simpler calculations, we should always divide larger amounts by smaller ones.
Knowing that one hour = 60 minutes
Therefore, when we express 48 minutes to 60 minutes, we get 4860=45 as the fractional representation.
The simplest ratio is therefore 4:5, or 48 minutes to an hour.
Hence, the correct answer is option 2) 4 : 5.

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