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Mental Math Gym

In a live interview you can’t reach for a calculator. Sixty seconds, as many as you can — the arithmetic that actually shows up on the desk and in the room.

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60s
Sharpen your interview mental math. 60 seconds on the clock.

Multiplication · percentages · growth · clean division — the stuff that comes up in IB / consulting / quant rounds.

Sharp on the mental math? Inner Circle members get the full interview-prep arsenal plus the modelling & pitchbook toolkit.Level up