Question

find x in 10:20::20:x​

Answer 1

Answer:

it's answet is 40

Step-by-step explanation:

10:20::20:X

10X::400

X=400÷10

X=40

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Answer 2

Answer:

as we know that:

if,

a:b::c:d

then, a/b=c/d

therefore

ATQ:

10:20::20:x

10/20=20/x

1/2=20/x

x=40

so, the value of x is 40.