Consulting Internship Interview Questions
Consulting and management programs test structured thinking with short cases, and leadership with behavioral questions. The answer matters less than how you get there: state your structure, make reasonable assumptions out loud, and do the math carefully.
1. How many cups of coffee are sold in a city each day?
What they are looking for: Market sizing: whether you can break a vague problem into logical steps with sensible assumptions.
How to answer: Say your structure first, state each assumption and why, do simple math out loud, and sanity-check the result at the end.
I'll size it by population. Say the city has one million people. Assume about 60 percent are adults who drink coffee, so 600,000, and the average coffee drinker has about two cups a day, which is 1.2 million cups. But most are made at home, so I'll assume about 25 percent are bought — cafés, offices, convenience stores — which gives around 300,000 cups sold per day. As a sanity check, if the city has 600 places selling coffee, that's about 500 cups each per day, which is plausible for busy shops but high for small ones, so the true number might be somewhat lower.
2. A client's profits have fallen. How would you figure out why?
What they are looking for: The classic profitability case: whether you structure the problem before guessing.
How to answer: Break profit into revenue (price times volume) and costs (fixed and variable), find which moved, then dig into why — the customer, the competition and the company.
Profit is revenue minus costs, so I'd first find out which one changed. For revenue, I'd split it into price and volume by product and customer segment. For costs, into fixed and variable, and look for any that grew faster than sales. Once I know where the drop is — say, volume fell in one product line — I'd ask why: did customers' needs change, did a competitor cut prices, or did something change inside the company, like quality or distribution? Then I'd recommend fixes tied to that cause.
3. Should a company enter a new market?
What they are looking for: Whether you can weigh attractiveness, competition and the company's ability to win.
How to answer: Look at the market (size, growth, profitability), the competition, the company's capabilities, and the entry options and their cost, then give a clear recommendation with risks.
I'd look at four things. First, the market: how big is it, is it growing, and do companies in it make money? Second, the competition: who's there and how strong are they? Third, the company: does it have an advantage, like a brand or a cost edge, that would help it win? Fourth, how to enter — build, partner or acquire — and what it would cost and how long it would take to break even. Then I'd make a clear yes or no and name the biggest risk.
4. Tell me about a time you led a team.
What they are looking for: Leadership potential: setting direction, involving people and delivering a result.
How to answer: Use STAR and focus on your specific actions: how you organized the work, handled a problem and kept people motivated.
As [role] of [organization], I led a team of six planning our biggest event of the year with a $2,000 budget. I split the work into three areas with an owner each and set a short weekly check-in. Halfway through, our venue cancelled, so I got the team together, we listed three alternatives within a day, and we moved the event without changing the date. We sold out 250 tickets and finished under budget, and two of the people I worked with ran it the next year.
5. How do you prioritize when everything is due at once?
What they are looking for: Organization and communication under pressure.
How to answer: Explain your method: rank by deadline and impact, tell people early when something will slip, and break big tasks into steps.
I list everything with its deadline and how much it matters, then do the high-impact, time-sensitive work first. If something truly can't be done on time, I tell the person depending on it early and suggest a new plan instead of waiting until the last minute. I also break large tasks into small steps so they don't get pushed aside by quick ones. That's how I [a concrete example].
6. Tell me about a time you persuaded someone.
What they are looking for: Influence without authority, which consultants and managers need constantly.
How to answer: Show that you understood the other person's concerns and used evidence, rather than simply insisting.
At [job or club], I wanted to move our sign-up process from paper to an online form. My manager worried it would confuse regular customers. Instead of pushing, I asked what she was most concerned about, then ran a two-week trial at one location with a paper backup. Sign-ups went up and nobody asked for the paper form, so she rolled it out everywhere. I learned that a small test answers objections better than an argument.
7. Why consulting?
What they are looking for: Whether you understand the work and have a reason beyond prestige.
How to answer: Connect a real experience to what consultants do: solving different problems for different clients, working in teams, and presenting recommendations.
I like working on problems that are new each time. In my [case competition or project], I spent three weeks on [problem] with a team, and the part I enjoyed most was structuring a messy question and turning the analysis into a recommendation we presented to [audience]. Consulting would let me do that across different industries early in my career, and I'm especially interested in your work with [practice or industry] because [reason].
8. Describe a process you improved.
What they are looking for: Operations thinking and initiative — valued in management, supply chain and consulting roles alike.
How to answer: Describe how things worked before, what you noticed, the change you made and a measurable result.
At [job], new hires learned by shadowing whoever was on shift, so training took about two weeks and everyone learned it differently. I wrote a one-page checklist of the core tasks and paired it with three short practice shifts. My manager tried it with the next two hires, and they were working independently in about a week. The checklist became the standard for new employees.
Before and after the interview
Research the company, prepare two or three questions of your own, and send a short thank-you email within a day. Then record the interview in your application tracker so you get a reminder and do not lose track of next steps.
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