AGAIN A BRAIN TEASER
THERE IS A STONE OF 40 Kg. IT HAS TO BE DIVIDED INTO FOUR PARTS(INTEGER TYPE) SO THAT ONE CAN WEIGH 1Kg, 2Kg, 3Kg, 4Kg,.............UPTO 40Kg BY ARRANGEING THE FOUR PARTS OF STONE
AT A SINGLE TIME i.e U CAN NOT WEIGH ONE MATERIAL TWICE OR THRICE OR MORE USING A BALANCE.
Asked by
CpjJwWHV   1kg,3kg,9kg,27kg
14 years ago
CpjJwWHV   for dat there is hit n trial or any method.. to calculate
14 years ago
CpjJwWHV   You can program
14 years ago
CpjJwWHV   12,13,15
14 years ago
CpjJwWHV   @rohit wrong
14 years ago
CpjJwWHV   @preeti it can be calculated well not as u thing
14 years ago
CpjJwWHV   @sandeep that's right
14 years ago
CpjJwWHV   i dint get how
14 years ago
CpjJwWHV   its 1, 3, 9 n 27 ........
14 years ago
CpjJwWHV   @momita 2=3-1,4=1+3,5=9-(3+1),6=9-3,7=9+1-3,8=9-1...
...................24=27-3...................
did u understand? its basic principle i.e how we can make efficent program using it. basically it is not weighing probs rather how 40 can be broken using +&- ok.
14 years ago
CpjJwWHV   oh kk bt how did u proceed?? i mean how did u make out the ans??
14 years ago
CpjJwWHV   @moumita..In this type of questions in most cases the answer will fall in either 2^n(where n=0,1,2,3.....) or 3^n(n=1,2,3....) form
14 years ago
CpjJwWHV   @moumita by writing program
14 years ago
CpjJwWHV    thanx alok
14 years ago
CpjJwWHV   @sanjeev kumar ur questions r really good...plz go ahead
14 years ago

Smiley