Vemuri's Brain Teaser-2
9 views
Skip to first unread message
Ravisankar Vemuri
Jun 1, 2012, 3:50:54 AM6/1/12
to MathByVemuri
Three Japanese-men and three Chinese-men work for the same firm. Every
one of them knows a secret not known to others. They need to exchange
these secrets over person-to-person phone calls so that eventually
each person knows all six secrets. None of the Chinese-men knows
Japanese and only one Japanese-man knows Chinese. What is the minimum
number of phone calls needed for the above purpose?
(A) 5 (B) 9 (C) 10 (D) 15 (E) 18
one of them knows a secret not known to others. They need to exchange
these secrets over person-to-person phone calls so that eventually
each person knows all six secrets. None of the Chinese-men knows
Japanese and only one Japanese-man knows Chinese. What is the minimum
number of phone calls needed for the above purpose?
(A) 5 (B) 9 (C) 10 (D) 15 (E) 18
Ravisankar Vemuri
Jun 12, 2012, 10:38:33 PM6/12/12
to MathByVemuri
Reply all
Reply to author
Forward
0 new messages