Allied & ICAR Exam Bank • ALLIED_1579 MCQ • 1 Mark

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

The base radius and height of a right circular cone are 7 cm and 24 cm respectively. Its curved surface area is: (Use $\pi = 22/7$)

Options:

  • (A) 550 cm$^2$
  • (B) 528 cm$^2$
  • (C) 572 cm$^2$
  • (D) 616 cm$^2$

Answer Key:

A

Step-by-Step Solution & Explanation

Slant height $l = \sqrt{7^2 + 24^2} = 25$ cm. Curved surface area $= \pi r l = (22/7) \times 7 \times 25 = 550$ cm$^2$.
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