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    Pakistan’s Taliban Gamble Backfires: Durand Line in Crisis

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Preliminary exam CSAT April 14

1. A bag contains 20 balls. 8 balls are green, 7 are white and 5 are red. What is the minimum number of balls that must be picked up from the bag blind-folded (without replacing any of it) to be assured of picking at least one ball of each colour?

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General Studies

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Political Science and International Relations

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Sociology

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Some Reference Essays

  • Essays by Raja Sir
  • Thavaseelan, IAS
  • Sivakrishnamurthy, IAS – Essay 1
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  • Rajarshi Das Gupta, IAS

List of previous year essay topics (1997-2019)

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14 Oct
Pakistan’s Taliban Gamble Backfires: Durand Line in Crisis

13 Oct
OCTOBER 13, 2025

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OCTOBER 12, 2025

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