A quick "I caught a small arithmetic error" seems way better than pretending you did not see it.
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Sometimes I realize a few minutes later that I made a small arithmetic mistake earlier in the case. If the overall direction is still the same, should I interrupt and correct the number or just keep going?
A quick "I caught a small arithmetic error" seems way better than pretending you did not see it.
Sometimes I calculate a number one way, check it using another method, and get a different result. In a case interview, what should I do next without burning too much time trying to figure out which one is right?
Mayank G.CoachPause and reconcile the two methods before moving on, but do it systematically rather than repeating both calculations from scratch.
I keep mixing up percentage-point changes and percentage changes when I am under time pressure. What is a simple way to keep them straight during a case interview without slowing down too much?
Mayank G.CoachKeep the definitions separate. A percentage-point change is the arithmetic difference between two percentages; percent change measures that difference relative to the starting percentage.
Halfway through a case calculation I noticed I used gross margin when the question was really asking about operating profit. Should I stop and redo the calculation immediately?
Mayank G.CoachCorrect it as soon as you notice and explain the distinction briefly.