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Doctors Medicines MCQs Q&A

  1. Either I or II
  2. I and III
  3. II and III
  4. III and either I or II
  5. None of the above
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1 Answers

Option 1 : Either I or II

Considering statement I,

Initial radius = 14/2 = 7 cm

Initial circumference = 2πr = 2 × 22/7 × 7 = 44 cm

New circumference = (100 + 25)% of 44 = 55 cm

New radius = 55/(2 × 22/7) = 8.75 cm

New area = πr2 = 22/7 × 8.75 × 8.75 = 240.625 cm2

Considering statement II,

Initial circumference = 44 cm

New circumference = (100 + 25)% of 44 = 55 cm

New radius = 55/(2 × 22/7) = 8.75 cm

New area = πr2 = 22/7 × 8.75 × 8.75 = 240.625 cm2

Considering statement III,

It is not required as value of π is already known

∴ The question can be answered using either statement I or II
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