Top 50 Math Interview Questions
The most frequently asked Math questions across all roles and companies, ranked by real interview frequency. Updated daily.
Format a concise response listing programming languages and the reason for comfort with each.
Foundation Medicine
Franklin Energy
CenterWellImplement a linear array-sum solution and explain why its time complexity is O(n).
Arch Capital
Capella Space
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Use two pointers to determine whether a PenFed member-note string reads identically forward and backward.
Cirrus Logic
PENFED Credit Union
Alphatec SpineImplement binary search to find a target in a sorted array in O(log n) time.
Wayfair
Amazon Kuiper Commercial Services
6senseUse dynamic programming and backpointers to find the most likely hidden-state sequence in a Hidden Markov Model.
BlackRock
St. Jude Children's Research Hospital
General Motors (GM)Fit a univariate linear regression model from data using gradient descent or the normal equation.
Tavant
Elsevier
BMW of North AmericaSort an array using merge sort and analyze its time and space complexity.
Apexon
Evernote
Huron Consulting GroupImplement Lloyd's k-means algorithm to cluster 2D points by iteratively updating centroids.
Incedo
BestPeers
KLA