About Us Contact Us Help


Archives

Contribute

 

For The Mathematically Inclined

Anil Saigal
04/13/2007

FOR CHILDREN

PROBLEM # 1
A small sore has two full-time employees. If each employee is absent about 3% of the days the store is open, what is the probability that both employees will be absent on the same day!

FOR GROWNUPS

PROBLEM # 2
A cyclist drove one kilometer, with the wind in his back, in three minutes and drove the same way back, against the wind in four minutes.

The Question: If we assume that the cyclist always puts constant force on the pedals, how much time would it take him to drive one kilometer without wind?

-------------------------------------------------------------------------------------------------------------

Please send your solutions to anil@lokvani.com.

Use Problem Solutions M-041907 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.

-------------------------------------------------------------------------------------------------------------

SOLUTIONS TO PROBLEMS ON 04/05/07

FOR CHILDREN

PROBLEM # 1
If the side of a hexagon is 1 inch, what is its area?

SOLUTION
 2.60 sq. in.

FOR GROWNUPS

PROBLEM # 2
Which of the following describes the graph of the equation
(x + y)^2 = x^2 + y^2?
a) the empty set b) one point c) two lines d) a circle e) the entire plane.

SOLUTION 
2 lines.

Congratulations to Sandeep Bansal, Shailesh Goregaokar, Nihal Gowravaram, Nagaraj Katti, Samir Mehta and Muneeba Syed, who were winners of the last set of puzzles.



Bookmark and Share |

You may also access this article through our web-site http://www.lokvani.com/




Home | About Us | Contact Us | Copyrights Help