Guides

Math and quant

14 guides. Page 1 of 2.

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Math and quant
Michigan Ross Case Book: Ops Cases for Supply-Chain Prompts
Use the Ross consulting club casebook as ops and auto-supply practice: what it is, why no official public host, and a worked plant-cost example.
Math and quant
Consulting Numerical Tests: SHL, Aon, Sova Formats
Match your invite to SHL, Aon, Sova, or TestGorilla formats, published calculator rules, original worked items, and a timed practice protocol.
Math and quant
NPV in Case Interviews: Mental Math, Not Spreadsheets
Use perpetuity and annuity shortcuts, pick a Damodaran-anchored discount rate without debate, and know when payback beats NPV in a live case.
Math and quant
Market sizing resources: anchors, firm cases, drills
Memorize 15 primary-source anchors from Census, Eurostat, ONS, World Bank, and BLS, then practice with firm cases and CoachNed sizing drills.
Math and quant
Free AI for Case Math: ChatGPT, Claude, Gemini
Compare free ChatGPT, Claude, and Gemini for timed case-math drills, force them to verify arithmetic, and use CoachNed Quick Math as one option.
Math and quant
How Case Interview Math Is Scored in the Room
What interviewers reward on case math: equation aloud first, stated rounding error, units, sanity checks, ask vs assume, and recovering from a slip.
Math and quant
Finance Case Interview: Capital Allocation, Not Banking
Corporate finance cases score after-tax cash, working capital, and NPV at a real WACC. Worked warehouse example with Damodaran data and a real 10-K.
Math and quant
Market Sizing Questions: 25 Prompts by Structure Type
Twenty-five original sizing prompts grouped by structure, a one-line first cut for each, and five worked answers tied to Census, BLS, FAA, and ONS figures.
Math and quant
Break-Even in Cases: Units, Revenue, and Payback
Set up units, revenue, or payback in one line, with worked examples, classic traps, and the sentence interviewers want to hear.
Math and quant
ZS Case Interview: Sales-Force Math Beats MBB Frameworks
ZS practice cases include airlines and sunscreen. Live consulting seats still test pharma commercial math: reach, frequency, and contribution under diminishing returns.
Math and quant
Consulting Math Formulas: The 20 Identities That Appear
Twenty case-room formulas with units, a two-sentence example, and the trap each one hides. Profit, breakeven, CAGR, NPV, elasticity, CLV.
Math and quant
Case Math Shortcuts: Round Where It Is Cheap, Not Where It Is Easy
A partner's price list for case math shortcuts: what rounding costs in a product, a division, and a margin, with a break-even example you can reproduce.