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UPSC PYQPrelims 2025

Civil Services Examination · પ્રશ્ન 36

What is X in the sequence 24, X, 12, 18, 36, 90?

  1. 18
  2. 12
  3. 9
  4. 6
જવાબ બતાવો અને સમજૂતી

જવાબ: (B) 12

સમજૂતી

Multipliers 0.5, 1, 1.5, 2, 2.5: 24 × 0.5 = 12 = X, then 12, 18, 36, 90. (Answer as per the official UPSC answer key.)