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For The Mathematically Inclined

Anil Saigal
09/25/2011

PROBLEM # 1
Solve: 5 sqrt32 - 7 sqrt8

PROBLEM #2

A bag of peanuts is worth $. 42 less than the same size of 
cashews. Equal amounts of peanuts and cashews are used to
make 40 bags of a mixture that sells for $1.10 per bag.
How much is a bag of cashews worth?
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Please send your solutions to mr.asaigal@gmail.com.

Use Problem Solutions M-092911 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 09/15/11

PROBLEM # 1
2 men and 2 boys need to cross a river in a boat big enough for 1 man or 2 boys. How do they do it?

SOLUTION 1

Two boys cross, one boy comes back.
One man crosses, boy comes back.
Two boys cross, one boy comes back.
Man crosses, boy comes back.
Both boys cross.



PROBLEM #2

This subtraction sum uses all the digits from 1 to 9.
  9 * *  - * 4 *    -----    * * 1 

SOLUTION 2
927 - 546 = 381. 

Congratulations to Akshay Gowrishankar, Bharath Venkataraman, Kishore Balsara, Maya Thattacherry, Monica Biswas and N. Alamelu, who were the winners of the last set of puzzles.



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