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General Forum: Offbeat n Jokes | | Puzzle | |
| 111 is not prime???
nanda.. sorry.. i didn't see "number itself is prime"
Posted by: Mrs. Sandhya At: 3, Mar 2003 1:41:15 PM IST
but 111 is not a prime ..:P
Posted by: Ravi At: 3, Mar 2003 1:39:25 PM IST
1111 ??
Posted by: Mrs. Sandhya At: 3, Mar 2003 1:33:45 PM IST
ok try this onee :)
Find a four digit number such that its first and last; first two, last two and middle two; first three and last three; and the number itself are all prime.
(One clause: 1 can be considered as prime.)
Posted by: Ravi At: 3, Mar 2003 1:28:42 PM IST
ok ..:) ....edo cricket touch ichaa daaniki anthee ..:) yah i know its an old one ani
Posted by: Ravi At: 1, Mar 2003 4:34:11 AM IST
ravi thats old puzzle....and its been asked ehre several times. All of them know answers. :)
Posted by: Saleem At: 1, Mar 2003 4:24:52 AM IST
Ganguly finds himself trapped in a room that represents the India-Pak match. The room has only 2 doors. One of them leads to India’s victory the other to its defeat. Ganguly doesn’t know one from the other. He is free to walk out of any one of them, but cannot get back. The door on the left is guarded by Asoka de Silva and the one on the right is guarded by David Shepherd. They both know which door leads to India’s victory and which leads to India’s defeat. de Silva always speaks the truth and Shepherd always lies. Ganguly doesn’t know who speaks the truth and who lies. But he is allowed to ask just ONE question to EITHER de Silva OR Shepherd. Please help India win. What should Ganguly do?
Posted by: Ravi At: 1, Mar 2003 4:21:25 AM IST
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