GATE DA case studies
GATE DA · Put your knowledge to work in context.
GATE (Graduate Aptitude Test in Engineering) is a computer based examination conducted jointly by the Indian Institute of Science (IISc), Bangalore and the Indian Institutes of Technology (IITs) on behalf of the Ministry of Education (MoE), Government of India. According to the official GATE-JAM portal, GATE tests the comprehensive understanding of candidates in various undergraduate subjects in Engineering/Technology/Architecture and post-graduate level subjects in Science. The GATE DA case studies are 5 cases and about 4,168 words.
1Stopping a Live A/B Test at Look Nine
A news site's growth team is A/B testing a redesigned article header against the current one. The primary metric is article click-through rate, with a pre-experiment baseline of 4.00%.
795 words, about 4 min2Why the Fraud Model Collapsed in Production
A payments company scores 1.2 million card transactions a month, of which 0.70% (about 8,400) are fraudulent. Features include amount, merchant category, device age and days since card issue.
827 words, about 4 min3Greedy Caching Versus Exact Packing at the Edge
A streaming service pre-loads titles onto edge nodes before a live event. Each candidate title i has a size w i in GB and a predicted value v i in saved egress units.
817 words, about 4 min4An Index That Helps One Query and Starves Another
An order-management database has orders (order id PK, customer id, order date, status, total) with 40 million rows spanning four years, and order items with 200 million rows. Existing indexes are the primary key, idx cust on (customer id, order date) and idx date on (order date).
848 words, about 4 min5A* on a Warehouse Grid: Unit-Cost Diagonals
An autonomous forklift plans on a 200×200 grid of free and blocked cells. The planner is A with 8-connected moves and a uniform cost model: orthogonal moves cost 1 and diagonal moves also cost 1.
881 words, about 4 min