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There are n bulbs in a circle. Initially all are off. There are n switches in the same circle. Toggling one switch will toggle the state of the corresponding bulb and also toggle the state of each of the adjacent bulbs. In how many switch toggles will you be able to turn on all the bulbs?
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Data Analyst

Interviewed at AXA XL

3.8★
Sep 4, 2019

There are n bulbs in a circle. Initially all are off. There are n switches in the same circle. Toggling one switch will toggle the state of the corresponding bulb and also toggle the state of each of the adjacent bulbs. In how many switch toggles will you be able to turn on all the bulbs?

Success and Speed are highly correlated, we have a great model for it, there is a strong relationship between them. When we take a bunch of athletes and compare their success and speed, there is no relationship. Why is this?
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Data Analyst

Interviewed at Upstart

4★
Dec 20, 2019

Success and Speed are highly correlated, we have a great model for it, there is a strong relationship between them. When we take a bunch of athletes and compare their success and speed, there is no relationship. Why is this?

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