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प्रश्न
If a : b = 1.5 : 3.5 and b : c = 5 : 6, find a : c.
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उत्तर
a : b = 1.5 : 3.5
`"a"/"b" = 1.5/3.5 15/35 = 3/7`
b : c = 5 : 6
`therefore "b"/"c" = 5/6`
Now `a/b xx b/c = 3/7 xx 5/6 = 5/14`
∴ `a/c = 5/14`
⇒ a : c = 5 : 14
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