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SSC PYQTier 1 2025

SSC CGL – Combined Graduate Level Examination · પ્રશ્ન 72

An annular region has outer radius 12 cm and inner radius 8 cm. What is the approximate ratio of the annular area to the whole outer circle?

  1. 1:2
  2. 5:9
  3. 2:3
  4. 3:4
જવાબ બતાવો અને સમજૂતી

જવાબ: (B) 5:9

સમજૂતી

(12² - 8²)/12² = 80/144 = 5 : 9.