Capital One Online Assessment (OA) Questions

These are the 32 online assessment (OA) questions Capital One candidates reported receiving, sorted by how often each was reported. Count Case-Insensitive Symmetric Triplets in a String leads at 4×. Every question shows when it was last reported; the catalog refreshes monthly.

Part of the full catalog of Capital One interview questions, covering every round.

AceOffer is not affiliated with, endorsed by, or sponsored by Capital One. Questions are reconstructed from interview experiences candidates shared, not from Capital One materials.

Key facts

•32 distinct OA questions indexed
•62 candidate reports across those questions
•Most reported: Count Case-Insensitive Symmetric Triplets in a String — 4× (last seen April 2026)
•2 free to read with a free account
•OA reports span October 2025 – October 2026
•32 of 32 question pages mention CodeSignal
•Time limit mentioned: 70 minutes
•Refreshed monthly · last updated October 2026

Which Capital One rounds ask OA questions?

The Capital One rounds below are where these questions come up. Counts are distinct questions, not times asked.

A CodeSignal assessment of four tasks in 70 minutes: array, string, matrix and simulation problems reported since October 2025.32 questions

Most reported: Count Case-Insensitive Symmetric Triplets in a String — 4×

Which Capital One OA questions get asked most?

Sorted by candidate-report frequency. Click any question for the full breakdown.

Question	Round	Reported	Last seen
Count Case-Insensitive Symmetric Triplets in a String	OA	4×	April 2026
Count Ordered Pairs Whose Concatenation Equals a Target	OA	4×	January 2026
Round-Robin Package Allocation with Closures and Resets	OA	4×	April 2026
Two Arrays: Count Pairs Summing to a Target Under UpdatesFree	OA	3×	June 2026
Fewest Changes to Make House Heights Step by +1 or -1	OA	3×	July 2026
Step-Wise Array Reduction: Subtract the First Non-Zero Until All Zero	OA	3×	April 2026
Apply Row Swaps, Reversals and Rotations to a MatrixFree	OA	3×	January 2026
Maximum Valid +/- Expression Along Right/Down Paths in a Matrix	OA	3×	January 2026
Reorder a String: First, Last, Second, Second-to-Last	OA	2×	September 2026
First Day the Running Total Reaches a Target	OA	2×	April 2026
Longest Consecutive Run After Each Insertion	OA	2×	January 2026
Count Sawtooth (Alternating Parity) Subarrays	OA	2×	January 2026
Bus Schedule: Minutes Since the Last or Until the Next Departure	OA	2×	September 2026
Place Tetris-Like Figures at the First Free Top-Left Position	OA	2×	April 2026
Phone Battery Swaps: Fewest Full Batteries to Cover a Call	OA	2×	February 2026
Find the Top Two Teams by Points, Goal Difference and Goals	OA	2×	September 2026
Find a Submatrix Matching a Letter/Number Pattern	OA	2×	October 2026
Block Placement Queries on a Number Line	OA	2×	October 2026
Sort Each Matrix Layer Clockwise	OA	2×	July 2026
Check a + b = c or a - b = c for Each Row	OA	1×	October 2026
Branch with the Most Pushed Files from Switch / Push Logs	OA	1×	October 2026
Rotate a Square Matrix While Keeping Both Diagonals	OA	1×	October 2026
Distinct Values on the Borders of the Maximum-Border-Sum Frames	OA	1×	September 2026
Brightest Position on a Street of Lamps	OA	1×	September 2026
Count Subarrays Matching an Up / Equal / Down Pattern	OA	1×	September 2026
Count Pairs of Numbers That Are Digit Rotations of Each Other	OA	1×	July 2026
Sort an Array Pair by Pair	OA	1×	September 2026
Reorder a W/D/L String into Repeating W, D, L	OA	1×	July 2026
Binary Array: Set the Lowest Zero or Clear an Index, Then Print	OA	1×	October 2025
Count Numbers with an Odd Number of Zero Digits	OA	1×	April 2026
Count Arithmetic Triplets After Each Add / Remove Query	OA	1×	October 2026
Distribute Elements into Two Arrays by Count of Larger Elements	OA	1×	November 2025

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FAQ

How many OA questions does Capital One ask?▾

AceOffer has reconstructed 32 distinct Capital One OA interview questions from 62 verified candidate reports, each with the follow-ups candidates reported and a last-reported date.

What is the most common Capital One OA interview question?▾

Count Case-Insensitive Symmetric Triplets in a String — reported 4 times, last seen April 2026.

When does Capital One send its online assessment?▾

The Capital One OA reports AceOffer has run from October 2025 to October 2026; the most recent is from October 2026. Timing within a hiring cycle varies by role, so check each question page for its own dates.

Which platform does Capital One use for the OA?▾

32 of the 32 Capital One OA question pages mention CodeSignal, from candidate reports. Other reports do not name the platform.

How long is the Capital One OA?▾

Reports mention a 70-minute limit. Each question page notes its own timing where candidates reported it.

How fresh is AceOffer's Capital One OA question data?▾

The catalog is refreshed monthly from new candidate reports, and every question shows when it was last reported.

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