Question

20 : 11 : : 102 : ? find the number in this term

Answer 1

20:11::102:x
product of mean = product of extreme
11×102/20× x
x=56.1

to check

11×102=20×56.1
1122=1122


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Answer 2

Hey there,

Your answer.

$= > let \: the \: number \: be \: x \\ \\ = > 20 :11::102:x \\ \\ = > multiply \: the \: extreme \: and \: middle \: \\ term. \\ \\ = > 20 \times x = 11 \times 102 \\ \\ = > 20x = 1122 \\ \\ = > x = \frac{1122}{20} \\ \\ = > x = 56.1 \\ \\ = > complete \: term \: will \: be \: as \: follow \\ \\ = > 20:11::102:56.1$

:-) Hope it helps !