Question

Choose the option which best replaces the question mark. 144 :48:48
12 13 16 18​

Answer 1

Answer:

The number best replaces question mark or 'x' is 16.

Step-by-step explanation:

• 144:48:48:x
• 144x = 48×48
• x = 48×48/144
• x = 16

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Answer 2

Given,

$144:48::48:?$

We have to find the best replacement for the question mark

$144:48::48:x$

From the above we have to find the value of $x$

For this we to write the given in the fraction form.

$\frac{144}{48}=\frac{48}{x}$

By cross multiplying we get,

$144x=48\times 48$

$144x=2304$

$x=\frac{2304}{144}$

$x=16$

Therefore, as the value of $x$ is $16$, the value $16$ replaces the question mark.