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Does Victor Cheng's maths tool still work?

Tried using Cheng's mental maths tool and can't get it to work.

Is anyone else having this problem?

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Top answer
on Jun 22, 2021
McKinsey | NASA | top 10 FT MBA professor for consulting interviews | 6+ years of coaching

Hi, 

I think this PL tool is even better. Let me know :)

https://www.preplounge.com/en/mental-math

Antonello

Ian
Coach
on Jun 22, 2021
Top US BCG / MBB Coach - 5,000 sessions |Tech, Platinion, Big 4 | 9/9 personal interviews passed | 95% candidate success

Hi there,

If I were you I'd use PrepLounge, Rocketblocks, or MathDrills.

on Jun 23, 2021

Rocketblocks is the best. 

5
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