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For The Mathematically Inclined

Anil Saigal

Problem 1:
The average age of 5 sisters is 45. The average age of the three younger sisters is 42 and the average age of the three older sisters is 49. That is their median age.

Problem 2:
In  the above problem what is the maximum possible age of the oldest sister?


Please send your solutions anil@lokvani.com. 

Use Problem Solutions M-081519 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. 


Problems 08/1/19

Problem 1:
Jay ate 1/3 of a bag of peanuts, Meera ate 1/4 of the remaining in the bag of peanuts, Anu ate 1/2 of the remaining bag of peanuts, Pal ate 10 peanuts, there are 71 peanuts left. Hon many peanuts were in the bags?

Problem 2:
A monkey fell in 23 meters deep well. Every day it climbs 3 meters, at night it dropped back by 2m. On what day it gets out from the well?

Congratulations to Vijay Aivalli, Ramachandran Balakrishna, Kishore Balsara, Harsh Sanchorwala and Bharath Venkataraman who were the winners of the last set of puzzles.

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