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Q: If radius and height of a cylinder increase by 20% and15% respectively. then what is the % change in curved surface area?

  • 1
    41%
  • 2
    38%
  • 3
    33%
  • 4
    44%
  • Show Answer
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Answer : 2. "38%"
Explanation :

Answer: B) 38% Explanation: % Change in Curved Surface Area is given by  %Change in radius + %Change in height + %Change in radius × %Change in height 100   ⇒+20 + 15 + 20×15100 = 38%

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