Is the following statement true?
$63 : 45 : : 28 : 20$

True

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False

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Solution

The correct option is A True
Given
$63 space colon space 45 space colon colon space 28 space colon 20$
The given numbers are $63, 45, 28, 20$
We know that,
Four terms are said to be an in proportion if
Product of extreme $=$ Product of means
Product of extremes $= 63 \times 20$
$= 1260$
Product of means $= 45 \times 28$
$= 1260$
since $63 \times 20 = 45 \times 28$
So, the given numbers are in proportion
Hence, the given statement is true

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