All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars
 perplexus dot info
 Home > Logic > Weights and Scales These problems relate to objects of different weight, and using a balanced scale to determine the odd item, be it a false coin, or an under-filled sack of grain. (Usually it's coins though)
Antoine has been given 3 Hourglasses H1, H2, and H3 which are respectably able to measure out precisely 11 minutes, 15 minutes, and 17 minutes.
• Antoine is asked to measure out precisely 23 minutes, and he is permitted to use any 2 of the 3 hourglasses to perform this task.

What choice of 2 hourglasses will enable Antoine to achieve the said objective in a minimum number of steps?

 (No Solution Yet, 2 Comments) Submitted on 2024-07-15 by K Sengupta
 Page 2 of 9 << prev Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 next >>
Unbalanced?- No problem | Rating: 4.00
Hands off! | Rating: 3.00
Ratio Resolution IV | Rating: 5.00
Posted on 2016-10-20 by K Sengupta (Solution Posted, 4 Comments)
River Cross Resolution | Rating: 5.00
Posted on 2016-10-12 by K Sengupta (Solution Posted, 1 Comments)
Labeling Minimum | Rating: 5.00
Posted on 2016-08-25 by K Sengupta (Solution Posted, 4 Comments)
Ball Series Insertion |
Posted on 2016-07-29 by Brian Smith (No Solution Yet, 1 Comments)
Five Pairs of Balls |
Posted on 2016-07-22 by Brian Smith (No Solution Yet, 1 Comments)
Restricted Five Coin Sort |
Posted on 2016-07-14 by Brian Smith (Solution Posted, 1 Comments)
The heavy couple |
No Equal Weighings | Rating: 3.00
Posted on 2016-04-18 by Brian Smith (Solution Posted, 5 Comments)
4 labeled coins | Rating: 3.00
The real McCoy |
Three Jar Trial | Rating: 5.00
Posted on 2016-01-25 by K Sengupta (Solution Posted, 4 Comments)
9 coins prob | Rating: 3.00
6 coins | Rating: 4.25

 Search: Search body:
Forums (0)