Question

In 12:3::x:1, the value of x is​

Answer 1

Answer:

just multiply outer two nos and then inner

Step-by-step explanation:

12*x=3*1

x=4

Answer 2

Hey! It's easy !

Step-by-step explanation:

Note: If the Numbers are in ratio take them as fraction.

So, 12/3 = x/1

Now, 12 and 3 gets cancelled and for x/1 we can also write just x.

Now, the  x = 4.

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