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Question
Which is greater 4: 5 or 19: 25.
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Solution
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 `a/b > c/d`
⇒ 4 : 5 is greater.
Hence, `(4)/(5)` is greater.
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