Question 14
Alan, Beth, Carlos, and Diana discuss their mathematics test grades.
Alan says, "If I received an A, then Beth also received an A."
Beth says, "If I received an A, then Carlos also received an A."
Carlos says, "If I received an A, then Diana also received an A."
All statements are true, but exactly two students received A grades. Which two?
Alan says, "If I received an A, then Beth also received an A."
Beth says, "If I received an A, then Carlos also received an A."
Carlos says, "If I received an A, then Diana also received an A."
All statements are true, but exactly two students received A grades. Which two?