12 : 16 : : x : 20 , find the value of x

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Solution

The correct option is B 15
Given ratios are in proportion
$∴ \frac{12}{16} = \frac{x}{20}$

$∴ x = \frac{12 \times 20}{16} = \frac{240}{16} = 15$

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Similar questions

3 : x :: 12 : 20,

x ?

116

^{'} X^{'}

:

Age	$4 - 8$	$8 - 12$	$12 - 16$	$16 - 20$	$20 - 24$
Number of children	$2$	$4$	X	$2$	$1$

(x + 1)^{2} = 4

(x - 1)^{2} = 16

x

p

16.6

$x$ :	$8$	$12$	$15$	$p$	$20$	$25$	$30$
$f$ :	$12$	$16$	$20$	$24$	$16$	$8$	$4$

x:	8	12	15	p	20	25	30
f:	12	16	20	24	16	8	4

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