THERE ARE 10 CHOCOLATE BOXES,IN EACH BOX THERE ARE 10 CHOCOLATES OF EACH 10 GRAMS.BUT IN ONE CHOCOLATE BOX,10 CHOCOLATES OF 11 GRAMS.NOW ONE RUPEE COIN IS GIVEN TO WIGHT FOR AN INSTANCE.WITH IN ONE TRIAL WE HAVE TO FIND WHICH CHOCOLATE BOX CONTAINS 11 GRAMS OF EACH CHOCOLATE.

• ^ RKK,
  
  I am weighing 55 choclates in one chance using Rs 1 coin once in weighing machine.
• 12 years agoHelpfull: Yes(3) No(1)
• mark the boxes as 1,2, ...10.
  Take 1 coc from 1st box.
  2 choc from 2nd box.
  
  ..
  ..
  10 choc from box no 10.
  
  weigh these 55 chocs.
  In normal case wt will be 550 gms.
  If wt is 551 gms.. box 1 contains 11 gm choc.
  if 552 gms, 2nd box contains 11 gm choc.
  
  ....
  ...
  if wt is 560 gms , box 10 contains 11 gm chocs.
• 12 years agoHelpfull: Yes(2) No(3)
• Dear Pargat Pal Singh
  
  You have only ONE RUPEE COIN to weigh, so how will you weigh 550 grams with in one trial using this coin.
• 12 years agoHelpfull: Yes(1) No(1)