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Card 072 of 9992026-09-03 issue

Observed arrival · 2026-09-03

Backsolved Checks the Maths You Make in a Case Interview

backsolved.com Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A written consulting-style case interview that recomputes every number against a fixed answer key, then delivers a detailed arithmetic and reasoning report.

Landing page captured for the 2026-09-03 issue.

Field notes

Each case reportedly stores its figures, drivers, and acceptable tolerances before the candidate begins, allowing equations to be recomputed rather than judged by a language model’s agreement. The sample retail-banking report identifies a 100× margin error, compares a claimed $50M increase with the case key, and marks a 9% default-rate estimate against a 7.4% ground truth. The page says the session takes roughly 30–40 minutes and includes a full transcript annotation.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
$PaidCommerce or pricing visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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Landing page observed 2026-09-03. The live site may have changed.