Question

81:2:324 :? what no will be there in the question mark?
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Answer 1

They are in proportion.

We can write them in fraction.

$\frac{81}{2} = \frac{324}{x} \\ \\ 81x = 324 \times 2 \\ 81x = 648 \\ x = \frac{648}{81} \\ \\ x = 8$

Answer 2

Answer:

Step-by-step explanation: