有5个人坐在一起，问第5个人多少岁？他说比第4个人大2岁。问第4个人岁数，他说比第3个人大2岁。问第3个人，又说比第2个人大2岁。问第2个人，又说比第1个人大2岁。最后问第1个人，他说是10岁。请问第5个人多大岁数？-5 people sitting there and asked people what age 5? He said that Individual 2 than 4 years old. Asked individuals age 4, he said, large than the first 3 people 2 years old. Asked 3 people, and that personal than the first 2 big 2 years old. Question No. 2 man, and that large individuals than the first one 2 years old. 1 person finally asked, he said, is 10 years old. 5 people ask how old?