Top 50 logic Interview Questions
The most frequently asked logic questions across all roles and companies, ranked by real interview frequency. Updated daily.
Determine whether a year is a leap year using divisibility rules for 4, 100, and 400.
Tech Mahindra
YochanaAdd two signed integers using XOR and carry propagation without using the plus operator.
TCSUse exponential-growth reasoning to find when each doubling culture first reaches half its container capacity.
HandshakeInfer a missing fruit price from an ordered arithmetic pricing progression using indexed lookup and validation.
EpicCount all axis-aligned squares in an n by n chessboard using a mathematical summation formula.
Chargebee
TavantCalculate the probability that three independently directed ants collide while walking around a triangular Pine Labs device.
Pine LabsDetermine whether Twitch Chat ordering constraints are consistent by detecting cycles with topological sorting.
TwitchFind minimum and maximum transaction values in one pass and compute the nth Fibonacci number iteratively.
Identify missing, unexpected, duplicate, and inconsistent derived records using PostgreSQL validation queries.
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Compare normalized character signatures to determine whether each pair of strings is an anagram.
AdobeCalculate the sum of integers from 1 to 1,000,000 using PostgreSQL aggregation and filtering.
Virtu Financial