rahul verma

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Questions

The following questions were asked by visitors named rahul verma.

What percentage of the first 100 positive integers contains no even digits?

What is the greatest common divisor of the three numbers 675,375, and 1125

Answers

The following answers were posted by visitors named rahul verma.

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Let the number of people who attended the dinner party be N. Then, from the conditions of the question, 45 is a multiple of N and 75 is a multiple of N. Hence, N is a factor of both 45 and 75, so the largest possible value of N would be the greatest commo...

Since 675=33×52, 375=3×53, and 1125=3×53, the greatest common divisor is 3×52=75.