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