A figure consists of a square with 4 equal horizontal and 4 equal vertical lines dividing it into a 5x5 grid. How many squares can be counted in total?
Show answer & explanation
Correct answer: B
Explanation
Formula: (5 × 5 grid)
Total squares = 1² + 2² + 3² + 4² + 5²
= 1 + 4 + 9 + 16 + 25
= 55
Hence, the correct answer is option 2.