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For The Mathematically Inclined

Anil Saigal
12/01/2022

Problem 1

4^6 x 125^4 = 10^k. FInd k.

Problem 2

60 percent of 90 is same as 50 percent of what number? 

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Problems from 12/01/22

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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