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Ratio

Simplify the ...

Question

Simplify the ratio :
$1 \frac{3}{4} : 2 \frac{1}{2} : 1 \frac{1}{6}$

A

21:30:14

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B

30:21:14

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C

14:21:30

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D

21:14:30

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Solution

The correct option is A
21:30:14

$1 \frac{3}{4} : 2 \frac{1}{2} : 1 \frac{1}{6}$

$\Rightarrow \frac{7}{4} : \frac{5}{2} : \frac{7}{6}$

L.C.M of 2,4,6 is 12

$\Rightarrow \frac{7}{4} \times 12 : \frac{5}{2} \times 12 : \frac{7}{6} \times 12 = 21 : 30 : 14$

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