A man is 36 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?
问答题
2022-01-11 00:00
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正确答案
48
试题解析
解答本题需要理解“I am twice as old as you were when I was as old as you are today.”,意思为:B男在A男这个年纪(36)时,B男年龄是当时A男年龄的两倍,假设B男年龄为x,则x=[36-(x-36)]*2=x,故x=48。