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· 1 Months ago

Wrong solution (Question:465076.0)

Two time increases with 20 percent than decreases with 10 percent

Question:

If the radius of a right circular cylinder is increased by 20% and height is decreased by 10%. What is the change in its curved surface area?

Options:
A)

10%

B)

8%

C)

30%

D)

32%

Solution:

Ans: (b) 

For successive change

  

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