Top 50 calculations Interview Questions
The most frequently asked calculations questions across all roles and companies, ranked by real interview frequency. Updated daily.
Calculate daily delivery averages and a trailing seven-day moving average using PostgreSQL window functions.
Gopuff
ZomatoFind the project with the largest day-over-day average volume increase by cost center.
MetaFind the customer with the highest total purchase amount by joining transactions and products and multiplying quantity by product cost.
Amazon Web ServicesCalculate each customer's July revenue and the change from June to July.
GoogleCalculate monthly vehicle production and its month-over-month growth rate using PostgreSQL date aggregation and comparison logic.
RivianCalculate indirect tax, exemptions, rates, and jurisdiction-level transaction comparisons from transactional data.
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Calculate a DoorDash Dasher's total earnings from an hourly wage and daily hours using a linear scan.
DoorDashMatch dated expenses to commission intervals using sorting and binary search, then calculate the total commission in cents.
Check Point Software Technologies