I have one equation
18 , 46 , 94 , ?? , 52 , 61
When I saw this question, I thought it must be following some order.
But I failed to get the concept.
I asked Google for help.
According to Google,
The series is of the square of numbers.
But written in the reverse order !!!!
So I can also write the above series as,
81 , 64 , 49 , ?? , 25 , 16.
Now it is very clear.
9^2 , 8 ^2 , 7^2, ?? , 5^2 , 4^2.
Missing number is 6 ^ 2 = 36
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