Allied & ICAR Exam Bank • ALLIED_1782MCQ • 2 Marks
Section 8: General Aptitude
Analytical & Spatial Aptitude
Subtopic: Spatial Reasoning & 3D Representations
Question Statement:
A circular paper disk is folded in half along a diameter, then folded in half again along the perpendicular radius (forming a quadrant). A triangular notch is cut along the curved outer boundary. When unfolded, how many triangular notches appear on the circumference?
Options:
(A) 4 notches spaced at 90-degree intervals
(B) 2 notches spaced at 180-degree intervals
(C) 8 notches spaced at 45-degree intervals
(D) 1 notch only
Answer Key:
A
Step-by-Step Solution & Explanation
The quadrant contains 4 layers of the circle. Cutting the outer boundary of the quadrant replicates the cut across each of the 4 quadrants at 90-degree intervals.