For The Mathematically Inclined

For The Mathematically Inclined

Anil Saigal
12/01/2022

Problem 1

How many red cards should be added to 7 blacks cards such that the probability to drawing two red cards without replacement is 5/9?

Problem 2

How many of the first 9 counting numbers (1-9) do not divide 42²⁰⁵² evenly?

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Problems from 11/17/22

Problem 1

Is 55 * 888 > < =. 88 * 555?

Problem 2

If n x 4² x 5⁵ = 10⁶, what is the value of n?

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