Allied & ICAR Exam Bank • ALLIED_1947 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

How many total squares of all sizes are embedded in a standard 3x3 chessboard grid?

Options:

  • (A) 14
  • (B) 9
  • (C) 10
  • (D) 15

Answer Key:

A

Step-by-Step Solution & Explanation

The total number of squares in an n x n grid is sum_{k=1}^n k^2 = 1^2 + 2^2 + 3^2 = 1 + 4 + 9 = 14.
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