- Shortucut to calculate 50 !
- Count the Digits
- Prove 100=1
- Get 37 by using five five's
- Permutations and Combinations
- The Impossible Series.....
- Look at this logic...
- Find the number....
- Hard Mathematical puzzle[3]
- one more hard mathematical puzzle...
- Hard mathematical puzzle...
- puzzle
- About cpp connectivity
- Climbing 10 Steps
- Permutations
- Flying Cards Problem.....
- solve the equation....
- Two packs of cards....
- Two Theoreticians.....
- Complete the equation
- Find the 10 digit number
- The smallest number which when diminished by 3
- Fill up the blanks
- what was the amount for the checque?