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EPFO Officer Mensuration of Cone — practice questions

Explore 1 free Mensuration of Cone questions in EPFO Officer Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Mensuration of Cone questions and exercises with answers

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The diameter and slant height of a conical tent are 16 m and 5.6 m respectively. What length of cloth of width 4 m is needed to make the tent?Read the answer and worked solution →

Worked practice questions

The diameter and slant height of a conical tent are 16 m and 5.6 m respectively. What length of cloth of width 4 m is needed to make the tent?

  1. 35.2 m
  2. 32.5 m
  3. 32 m
  4. 35 m
Show answer and solution

Correct answer: A. 35.2 m

1. Radius r = 16/2 = 8 m; curved surface area = πrl = (22/7) × 8 × 5.6. 2. CSA = (22/7) × 44.8 = 140.8 m². 3. Length of cloth = area ÷ width = 140.8 / 4. 4. Length = 35.2 m. _Source: RRB Group D CEN-02/2018 PYQ, Q.70._

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