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For The Mathematically Inclined

Anil Saigal
07/28/2016

Problem 1
There are 20 people in a line and it ends with the shortest person and ends with tallest. Each subsequent person is taller than the person standing in front of her by 2%. What is the height of last person in line if the first one is 3 feet tall?

Problem 2
What is the last digit of 777


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Please send your solutions anil@lokvani.com. 

Use Problem Solutions M-072816 as the subject line. Please include your full name in the text of the main message. Everyone with the right answer will be acknowledged in the next issue of Lokvani. 

Please do not post your solution in Post Comments. No credit will be given for solutions not sent to anil@lokvani.com. 

If you need clarification on any problem, please contact anil@lokvani.com. 

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Problems from 07/14/16

Problem 1
A mystery number has two digits. It is an odd number less than 50 but greater than 45.  How many possible mystery numbers are there?

Problem 2
Hank the hot dog vendor is trying to buy the same number of hot dogs and hot dog buns.  Hot dogs are sold in packages of 6.  Buns are sold in packages of 10.  What’s the smallest number of packages of hot dogs and of buns that Hank can buy to have a matching number of each?




Congratulations to Aseem Chandawarkar, who was the winner  of the last set of puzzles.



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For The Mathematically Inclined


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