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Doctors Medicines MCQs Q&A

  1. 297 cm
  2. 445 cm
  3. 301 cm
  4. 355 cm
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1 Answers

Option 1 : 297 cm

Given:

The side of the cube is 198 cm

The height of the circular cylinder is 56 cm

Concept:

The volume of circular cylinder = π × (Radius of the cylinder)2 × (Height)

The volume of the cube = (Side)2

Calculation:

Let be assume the radius of the circular cylinder is R

⇒ The volume of cube = (198)3

⇒ The volume of circular cylinder = π × R2 × 56

⇒ 2 × (198)2 = (22/7) × 56 × R2

⇒ R2 = (2 × 198 × 198 × 198 × 7)/(22 × 56) = (9 × 198 × 198)/(4) 

⇒ R = √(9 × 99 × 99) = 3 × 99 = 297 cm

∴ The required result will be 297 cm.

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