Allied & ICAR Exam Bank • ALLIED_1800 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

A right circular cone has base radius r = 3 cm and slant height L = 12 cm. What is the sector angle theta (in degrees) of its developed lateral surface?

Options:

  • (A) 90 degrees
  • (B) 60 degrees
  • (C) 120 degrees
  • (D) 45 degrees

Answer Key:

A

Step-by-Step Solution & Explanation

Sector angle theta = 360 * (r / L) = 360 * (3 / 12) = 360 * 0.25 = 90 degrees.
← Previous (ALLIED_1799) Next (ALLIED_1801) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test