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For The Mathematically Inclined

Anil Saigal
05/06/2015

Problem #1
How many times do the two hands of a clock point in the same direction between 6:00 am and 6:00 pm of a single day?

Problem #2
How far is the horizon from the top of a 125.7-meter-high lighthouse? (The earth can be considered spherical with a circumference of 40,000 km.)
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Please send your solutions to mr.asaigal@gmail.com. 

Use Problem Solutions M-050715 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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