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Anil Saigal 04/10/2009
---------------------------------------------------------------------------------------------------------- Please send your solutions to anil@lokvani.com.
------------------------------------------------------------------------------------------------------------- Problem Solutions 04/02/09PROBLEM # 1 The fuel efficiency of certain type of car is 30miles per gallon. The cost of fuel is 2 dollars per gallon. The manufacturer improves the efficiency by 2% every year at the same time the cost of fuel is expected to rise at 3% per year. How much would it cost do drive a mile after 10 years? 0.07 PROBLEM #2 Can you find x for which 4^x+5^x=6^x? - ∞, 2.5 Congratulations to Aseem Chandawarkar and Prabhakar Nadkarni, who were the winner of the last set of puzzles. ![]() You may also access this article through our web-site http://www.lokvani.com/ |
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