Three Englishmen and three Frenchmen work for the same
company. Each 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 Frenchmen knows English and only one
Englishman knows French.What is the minimum number of phone calls needed for
the above purpose?

(A) 5 (B) 15 (C) 9 (D) 10

## No comments:

## Post a Comment