I recently came across this question.
We have to find the missing number
11 * 11 = 4
22 * 22 = 16
33 * 33 = ??
Left hand side is comparatively bigger number to right hand side.
We will try to break individual numbers in the first 2 columns.
We can write,
11 * 11 as. 1+1 * 1+1 = 2 * 2 = 4
22 * 22 as 2 + 2 * 2 + 2 = 4 * 4 = 16
On the same logic,
33 * 33 as 3 + 3 * 3 + 3 = 6 * 6 = 36
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