Correct option is A
Given ,
As per the logic, Number of square:
= 1 + 4 + 9 + 16 + 25
= 55
OR,
1×1 squares: 5×5=255 \times 5 = 255×5=25
2×2 squares: 4×4=164 \times 4 = 164×4=16
3×3 squares: 3×3=93 \times 3 = 93×3=9
4×4 squares: 2×2=42 \times 2 = 42×2=4
5×5 square: 1×1=11 \times 1 = 11×1=1
Adding all these:
Thus the correct answer is:Option A
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