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For The Mathematically Inclined

Anil Saigal
06/05/2019

Problem 1:
A company sent four painters to paint a school. They should be done in 12 days. After 3 days, one painter got ill. After 5 days, another painter got ill.  How long will the remaining painters paint the school?



Problem 2:
4 workers can lay the floor  in a school in 20 days. After 2 days 4 more workers join them.  After 5 days, 3 of them decide to work half the time. How long did it take to lay the floor.  





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Please send your solutions anil@lokvani.com. 

Use Problem Solutions M-060619 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 - 05/23/19

Problem 1:
There is given a circle K with a radius r = 8cm. How large must a radius have a smaller concentric circle that divides the circle K into two parts with the same area?

Problem 2:
It is given trapezium ABCD with bases | AB | = 12 cm, |CD| = 8 cm. Point S is the intersection of the diagonals for which |AS| is 6 cm long. Calculate the length of the full diagonal AC.


Congratulations to Meena Kaushik who was the winner of the last set of puzzles. 



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