Hexagon interview questions

A kind thought of gifting his princess a golden ring for her 10th birthday so he called 10 goldsmiths and ordered them to make 10 rings of 10 grams each and gave them 100grams each and gave a deadline a day before deadline minister got to know that a mole in those goldsmiths made 10 rings with 9 grams each. how can you find that mole you can use weighing machine for once but you can weigh any number of rings between 1-100 but only one time you can use it

Question relatives à ma situation actuelles telles que ma fourchette salariale actuelle.