单项选择题 If LEAF is written QIDH, how would you write the code word for TREE

单项选择题 A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today." How old is the other man

单项选择题 Sally likes 225 but not 224; she likes 900 but not 800; she likes 144 but not 145. Which does she like: