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Grab DSA Interview Questions

Grab's loop mixes medium DSA with a design round on ride-hailing and payments across Southeast Asia. Graphs, heaps and interval problems come up often.

Dynamic ProgrammingStackBreadth-First SearchStringMonotonic StackMath

15 real interview questions actually asked at Grab — filter by how recently they were reported.

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What Grab asks in the DSA round

Grab's loop mixes medium DSA with a design round on ride-hailing and payments across Southeast Asia. Graphs, heaps and interval problems come up often.

Across the 15 questions on this page, the weight sits on these patterns:

How to prepare for the Grab interview

  1. 1. Start at the top of the list above. The patterns are ordered by how often Grab uses them, so the first two or three buy you the most coverage per hour.
  2. 2. Solve by pattern, not at random. Doing eight dynamic programming problems in a row is what makes the ninth recognisable in an interview — jumping between topics does not.
  3. 3. Tick problems off as you go so the gaps are visible. The per-pattern counts tell you which Grab topic you have actually covered.
  4. 4. Write the approach before the code. Grab interviews are judged on the reasoning as much as the working solution.
  5. 5. Pair this with the pattern guides when a topic is new, and the system design sheet if the role is senior enough to have that round.
  6. 6. If this is a campus or off-campus drive rather than a lateral move, the placement preparation guide covers the stages around the DSA round — aptitude, core subjects and the HR interview — in the order they actually happen.

Grab interview questions — FAQ

How many DSA questions does Grab ask?

This sheet collects 15 Grab interview questions, grouped into 10 patterns. They are questions reported as actually asked in Grab interviews, and each one carries how recently it was reported so you can practise the current set first.

Which topics should I focus on for a Grab interview?

Dynamic Programming, Stack, Breadth-First Search come first — the patterns on this page are ordered by how often Grab leans on them, so working top-down spends your time where the interview actually is. The full order is Dynamic Programming, Stack, Breadth-First Search, String, Monotonic Stack, Math.

How long does it take to finish the Grab sheet?

At roughly 25 minutes per problem — reading it, solving it and writing the approach down — 15 problems is about 6 hours, or 1 weeks at ten hours a week. Most people do not need all of it: the first two or three patterns cover the majority of what gets asked.

Is this Grab question sheet free?

Yes. Every problem, the pattern grouping and the progress tracking are free and need no account. Progress saves in your browser, and signing in with Google only adds syncing across devices.

Can I track which Grab questions I have solved?

Yes — tick a problem on this page and it stays ticked. The counts per pattern update as you go, so you can see which of Grab's topics you have actually covered rather than guessing.

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