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IBM OA Questions 2026 — Online Assessment & Interview Practice

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

  • Convert IPv4 to IPv6
  • Sort Triangles by Area
  • Question 1
  • Minimum Difference in Measurements
  • DNA/RNA Sequence Decoder
  • DNA/RNA Sequence Decoder
  • Hidden Text Encoding Algorithm
  • odd Bell numbers between a particular range
  • Max Beauty
  • Tool Changer
  • Minimum Character Substitution
  • Remove Greater Nodes
  • Range Group Distribution
Browse All CompaniesInterview ExperiencesPlacement DataIBM Array OA questions (6)IBM Math OA questions (6)IBM Simulation OA questions (6)IBM String OA questions (6)IBM Sorting OA questions (4)IBM Greedy OA questions (3)IBM Hash Table OA questions (2)IBM Binary Search Tree OA questions (1)
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IBM OA Questions

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Convert IPv4 to IPv6

StringSimulationMath
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Sort Triangles by Area

MathSortingGeometry+1
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Question 1

TreeBinary TreeBinary Search Tree+2
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Minimum Difference in Measurements

ArraySorting
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DNA/RNA Sequence Decoder

StringSimulationHash Table
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DNA/RNA Sequence Decoder

StringSimulationHash Table
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Hidden Text Encoding Algorithm

StringMathSimulation
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odd Bell numbers between a particular range

MathDynamic ProgrammingSimulation+2
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Max Beauty

ArrayMathGreedy+2
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Tool Changer

ArrayStringSimulation
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Minimum Character Substitution

StringGreedy
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Remove Greater Nodes

Linked List
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13

Range Group Distribution

ArraySortingGreedy+1
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