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Previous Month January 2006 Next Month
12th to 17th Dec 05 19th to 24th Dec 05 26th to 31st Dec 05 01st to 07th Jan 06
Jan 04, 2006
What is the smallest number whose last digit (LSB) if moved to the front (MSB) produces a bigger number than the original and also divisible by original number?
  1. No zero’s in the beginning like 0012
Jan 03, 2006
Find the largest word in the dictionary whose characters (with recurrences) are in ascending order
  1. Ex: ant, door
Jan 02, 2006
What are the maximum values of sides (Length, width and height) for a cuboid where its volume is equal to its total surface area of 6 sides?
  1. Ex: 6, 6, 6 (volume is 216 and total surface area of 6 sides is also 216
Jan 01, 2006
2006 is a holiday year as it starts (jan 1st) on a Sunday and Ends on a Sunday (dec 31st) and this is the first holiday year in this century (2000-2099). Which century from 1500-2500 has most number of holiday years (only Sunday is considered holiday for this problem)
Brain Teasers

Here are some of the questions that the code4bill contestants answered. How about trying your hand at them?
Multiply 14332 represented in base -7 with 16430 represented in base -8 and represent the output in base -9.
An array contains 9 occurrences of 0s, 8 occurrences of 1s and 7 occurrences of 2s in any order. The array is to be sorted using only swap operations. What is the minimum number of swaps needed in the worst case to sort the array?
You are given an infinite number of cookie boxes containing either 6, 9 or 400 cookies. You are allowed to use these boxes in any combination so desired. What is the maximum number of cookies that you cannot give out using the above boxes?

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