Answer: Tell anyone she was Jewish
Mordecai forbade Esther to tell anyone of her nationality or family background (Ch. 2 v.10). He probably did this to protect her since they were foreigners in Persia.
From Quiz: Queen Esther
Answer: A feast called "The feast of Esther"
Esther was taken to the king's palace and the king loved her more than all the other girls. He placed the royal crown upon her head and made her queen instead of Vashti. He gave her a feast called the Feast of Esther and a holiday in her honour but it was not called Purim. Esther 2:17-18
From Quiz: Esther and the King
Answer: Because he appeared to try to rape Esther
At the banquet, Esther announced that her people had been sold to be killed by Haman. The king rose and left in anger. Haman then fell upon Esther's bed to plead for his life. The king, happening upon Haman in this compromising position and thinking he would rape Esther, decided to hang him.
From Quiz: Delving into Esther
Answer: His wife and friends
In Chapter 5, verses 9-14 in the King James Version we see that, "Then said Zeresh his wife and all his friends unto him, Let a gallows be made of fifty cubits (75 feet) high and to morrow speak thou unto the king that Mordecai may be hanged thereon: then go in merrily with the king unto the banquet. And the thing pleased Haman; and he caused the gallows to be made."
From Quiz: BBB Bible Series: Esther-Jewish Queen Of Persia
Answer: We don't know
It says how he died but not how old he was at the time of his death. The gallows he was hanged on were seventy-five feet high.
From Quiz: All About Haman
Answer: A conspiracy to kill the king
Mordecai overheard a plot to kill the king. He told Esther, who in turn told the king, and the plot was foiled (Ch.2 v.21-23)
From Quiz: Queen Esther
Answer: Make Haman honor Mordecai this way
Imagine Haman's shock when the king ignored the suggestion that Haman himself deserved the honors, and forced Haman to pay respect to a Jew, whom he hated! Even his own wife, Zeresh, predicted his downfall. Esther 6:12-13.
From Quiz: The Biblical Story of Esther
Answer: Esther
It says that Xerxes gave Esther the estate the same day that he ordered Haman hanged. It was also that day that Esther told Xerxes that she was related to Mordecai. This can be found in Esther 8:1.
From Quiz: All About Haman
Answer: Haman
Mordecai would not bow down to Haman, and so Haman plotted to kill all of his people, the Jews (Ch.3 v.5-6).
From Quiz: Queen Esther
Answer: Hadassah
Esther was known as Hadassah. Mordecai changed her name to Esther, in order to hide her true identity from the king. Esther 2:5, 7.
From Quiz: Esther and the King