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For The Mathematically Inclined

Anil Saigal
11/17/2016

Problem 1:

From the top of a 200 meters high building, the angle of depression to the bottom of a second building is 20 degrees. From the same point, the angle of elevation to the top of the second building is 10 degrees. What is the height of the second building?

Problem 2:
If the shadow of a building increases by 10 meters when the angle of elevation of the sun rays decreases from 70 to 60 degrees, what is the height of the building?


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Please send your solutions anil@lokvani.com. 

Use Problem Solutions M-111716 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 11/03/16

Problem 1

You are throwing a party, and you need 5  liters of   soda for every 12 guests. If you have 36  guests, how many liters of soda do you need?

Solution: 

Problem 2

The ratio of men to women working for a company is 3 to 4. If there are 92
women working for the company, what is the total number of employees?

Solution: 


Congratulations to Ramachandran Balakrishna, Avani Bhargava and Avanish Gowrishankar, who were the winners of the last set of puzzles.



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