For The Mathematically Inclined

For The Mathematically Inclined

Anil Saigal
01/14/2016

Problem 1

From a book, a number of consecutive pages are missing. The sum of the page numbers of these pages is 9808. Which pages are missing?

Problem 2

You walk upwards on an escalator, with a speed of 1 step per second. After 50 steps, you are at the end. You turn around and run downwards with a speed of 5 steps per second. After 125 steps, you are back at the beginning of the escalator.How many steps do you need if the escalator stands still?

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Problem from 12/31/15

Problem 1

What digit is the most frequent between the numbers 1 and 1,000 (inclusive)?

Problem 2

In a certain country Â½ of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10 ?

Congratulations to Amit Lele and Baldev Luhar, who ware the winners of last set of puzzles.

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