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Senior Associate

Hello 👋, next week I have an interview coming up and have been told it would be taken by a Senior Product Manager and would be asked mainly on Guesstimates

Hello 👋, next week I have an interview coming up and have been told it would be taken by a Senior Product Manager and would be asked mainly on Guesstimates and problem solving. 
any resources which can be used to prepare for this? 
I did search on YT but was wondering if i can find any tried and tested ones here.

Interview help