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CAT Networks and Routes questions with solutions

Route, network flow and path optimisation puzzles. 30 questions from our 2016–2022 CAT pattern papers. Each has the answer and a full solution.

CAT 2022

Four-City Flight Network: A regional airline operates direct flights between only some pairs of four cities — Delhi, Mumbai, Chennai and Kolkata. The…CAT 2022 Slot 1 · 5-question set

CAT 2021

Courier Hub Network: SwiftShip, a courier company, moves parcels from its origin hub A to its delivery hub G through a network of intermediate hubs…CAT 2021 Slot 3 · 5-question set

CAT 2019

Road Distances between Towns: Six towns – P, Q, R, S, T and U – are connected by two-way roads. The matrix below gives the length (in km) of the…CAT 2019 Slot 2 · 4-question set

CAT 2018

Water Distribution Network: Water enters a distribution network at the source S and leaves only through three outlets T1, T2 and T3. The network has…CAT 2018 Slot 1 · 4-question set
Road Trip Fuel Stops: A car travels from city P to city Q along a highway that is 700 km long. The car's fuel tank holds at most 30 litres and the…CAT 2018 Slot 1 · 4-question set
Social Network Friendships: Five friends — A, B, C, D and E — are part of a small social network in which "friendship" is always mutual (if X is…CAT 2018 Slot 2 · 4-question set

CAT 2016

Inter-Town Route Network: A logistics company is planning road links among six towns — P, Q, R, S, T and U. The table below lists every road route…CAT 2016 Slot 2 · 4-question set

Other DILR topics

Venn Diagrams and Sets 3 Games and Tournaments 15 Seating Arrangements 8 Data Interpretation 24 Grid Puzzles and Matching 12 Scheduling and Rosters 6 Allocation and Selection 7 Ranking and Ordering 4 Logical Puzzles 7