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Ratio and Proportion — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsRatio and Proportion2 Marks
Question
Which is greater 4: 5 or 19: 25.
✓

Answer

Let a = 4, b = 5, c = 19 and d = 25
then ad = 4 x 25 = 100
bc = 5 x 19 = 95
Here 100 > 95 ⇒ ad > bc so $\frac{a}{b}>\frac{c}{d}$
⇒ 4 : 5 is greater.
Hence,$\frac{4}{5}$ is greater.

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