Question

 There are infinite black and white dots on a plane. Prove that the distance between one black dot and one white dot is one unit. A question asked during an interview for a technology analysts role at Goldman Sachs.​

Answer 1

Answer:

reason is that there are infinite black and white dots some where they meet at unit distance

Answer 2

Dots → Infinite

place → plane

so,

All the dots are arranged like a pattern

The Pattern should be chex

all chex patterns must have the length of 1 unit.

Thus proved

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@ManalBadam