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Updated weekly · Last refresh Oct 17

Cobblestone Energy Business Analyst Interview Questions

The questions to prepare for a Cobblestone Energy Business Analyst interview. Questions from real interview reports rank first. Updated daily.

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1
Statistics & ProbabilityStart here. 6 questions · ~53 min
Compounded Two Day ReturnEasy

Compute the compounded two day return after a 15% loss followed by a 15% gain.

compound returnsmental mathpercentage changeCobblestone Energy
Mental Square Using AlgebraEasy

Compute 67 squared mentally using a simple algebraic identity and verify the result.

Estimationmental matharithmeticCobblestone Energy
Probability of Sum NineEasy

Compute the probability that two fair six-sided dice add up to 9 by counting favorable outcomes over total outcomes.

DistributionsExpected ValueConditional ProbabilityCobblestone Energy
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2
Strategy4 questions · ~35 min
Estimate Gas Stations in a CityEasy

A market sizing question that tests how you structure assumptions, estimate demand, and sanity check the number of gas stations in a city.

EstimationTAM/SAM/SOMMarket SizingCobblestone Energy
Value You Would AddEasy

Explain how your analytical, commercial, and stakeholder skills would create value for Cobblestone Energy as a Business Analyst.

analytical thinkingBusiness Acumendata-drivenCobblestone Energy
Entering a New Regional MarketHard

Structure the analysis Cobblestone Energy should use to decide whether to enter a new regional energy market.

Strategic Planninganalytical thinkingmarket entryCobblestone Energy
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3
Behavioral & Leadership13 questions · ~115 min
Discussing Start Date ConstraintsEasy

Tests professionalism and ownership in discussing start-date constraints, communication of commitments, and realistic planning around availability.

Communicationavailabilityself introductionCobblestone Energy
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4
More topics1 question · ~9 min
Handling Time-Bound AssessmentsMedium

Explain how you prioritized, managed risks, and delivered an assessment or project deliverable under a short deadline.

contingency planningExecutiondelivery managementCobblestone Energy
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