IF 11*11 = 4, 12*12 = 9, Then 13*13 = ?
Answer with Explanation
Given
11×11 = (1+1)*(1+1) = 4
12×12 = (1+2)*(1+2) = 9
13×13 = (1+3)*(1+3) = 16
So answer to above number puzzle is 16
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Number Puzzle #3
(5 votes, average: 3.00 out of 5)
11×11=121=(1+1)*(1+1)=4
12×12=144=(1+2)*(1+2)=9
13×13=169=(1+3)*(1+3)=16
Another valid way of answering it is the following:
11×11=121=1+2+1=4
12×12=144=1+4+4=9
13×13=169=1+6+9=16
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