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| For The Mathematically Inclined |
Anil Saigal
10/27/2008
FOR STUDENTS
PROBLEM # 1
The sum of Ramu and Shyamu's age is 40. The sum of Shamu's age and Chotu's age is 34. The sum of Ramu's age and Chotu's age is 42. How old is Ramu?
FOR GROWNUPS
PROBLEM #2
If R(t) = integral of sec2(x) + sec(x).tan(x) from 0 to t, then determine
R" (pi/4).
Please send your solutions to anil@lokvani.com.
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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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Problem Solutions 10/16/08PROBLEM # 1
What is the value of $1000, invested for one year at 100% interest, compounded every six months?
Solution:
FOR GROWNUPS
What is the value of $1000, invested for one year at 100% interest, compounded infinitely?
Solution:
$2718.
Congratulations to Aseem Chandawarkar, Prabhakar Nadkarni and Sowmya Varada, who were winners of the last set of puzzles.
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