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For The Mathematically Inclined


Anil Saigal 01/31/2004
FOR CHILDREN
PROBLEM # 1
What are the next three number in the sequence
1, 0, 1, 0, 1, 2, 3, 6, _, _, _. PROBLEM # 2
A man was born on February 29, 1928. He dies January 29, 2004. How many actual birthdays (February 29) does he
have (not counting the day he was born in 1928 as a birthday)? FOR GROWNUPS
PROBLEM # 3
Observe the table of values. A new operational symbol # has been created. Based on the values of A, B and A#B in the
table, determine the value of 2/3 # 1/5.
A 
B 
A#B 
5 
2 
21 
19 
9 
280 
41 
21 
1240 
55 
51 
424 
2/3 
1/5 
? 
> 
Please send your solutions to anil@lokvani.com.
Use "Problem Solutions M021204" as the subject line. Please include your full name in
the text of the main message. The first one to submit the right answer will be profiled in
the next issue of Lokvani.
Please do not post your solution in "Post Comments". No credit will be give for
solutions not sent to anil@lokvani.com.
If you need clarification on any problem, please contact anil@lokvani.com.
 SOLUTIONS TO PROBLEMS ON 01/29/04
PROBLEM # 1
Animals: What will come next? Explain how you knew.
dog, bird, tiger, kitten, ____________.
SOLUTION
giraffe, a seven letter animal. PROBLEM # 2
List the 11th prime number.
SOLUTION
31.
PROBLEM # 3
Using exactly four fours and any other mathematical symbols, find an expression equivalent to 25. You
may not use any additional numbers in your expression.
SOLUTION
One solution: (4 + 4/4)^(sqrt 4) Congratulations to H. Bhatanagar, S. Dasari, R. Dhillon, K. Divatia, S.
Divatia, B. Goyal, A. Gupta, M. Mathai, P. Mutalik, S. Nalamati, D. Santaumayor, B. Seth and N. Sharma
who were winners of the last set of puzzles.

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