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Barclays OA Questions 2026 — Online Assessment & Interview Practice

11 real Barclays online assessment questions from recent interviews. Includes coding rounds, MCQs, and Barclays interview preparation tips for SDE Intern, New Grad, and full-time roles.

  • Alumni Dinner Seating Arrangement
  • Lucky Customers Gift Basket
  • Secret Code Encryption
  • Popular Products Analysis
  • Family Phone Tree
  • Frequency Sort
  • Nuclear Reactor Energy Optimization
  • Count Non-Common Elements
  • Magical Route Optimization
  • Team Power
  • Number of Elements Less Than K
Browse All CompaniesInterview ExperiencesPlacement DataBarclays Array OA questions (7)Barclays Counting OA questions (4)Barclays Graph Theory OA questions (4)Barclays Hash Table OA questions (4)Barclays Sorting OA questions (4)Barclays Depth-First Search OA questions (3)Barclays Breadth-First Search OA questions (2)Barclays Dynamic Programming OA questions (2)
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Barclays OA Questions

11 QuestionsOnline Assessment

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Alumni Dinner Seating Arrangement

SortingGreedyDepth-First Search+2
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Lucky Customers Gift Basket

ArrayHash TableSorting
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Secret Code Encryption

MathNumber Theory
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Popular Products Analysis

ArrayHash TableSorting+1
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Family Phone Tree

TreeBreadth-First SearchDepth-First Search+1
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Frequency Sort

ArrayHash TableSorting+1
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Nuclear Reactor Energy Optimization

Dynamic ProgrammingArray
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Count Non-Common Elements

ArrayHash TableCounting
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Magical Route Optimization

Graph TheoryShortest PathHeap (Priority Queue)+1
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Team Power

ArrayGraph TheoryUnion-Find+2
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11

Number of Elements Less Than K

ArrayCounting
Solve