Age by Aging 2

Level 2

After knowing when my friend was born, I met his sister. I asked her when she was born. She, like her brother, replied in a 'puzzle':

"I will be x + x^2 + x^3 years old in the year x^4!"

When was she born?

Between 1981 to 2000 Between 1941 to 1960 Between 2001 to 2020 Between 1961 to 1980

Winston Choo by Winston Choo , 46, Singapore

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1 solution

X X
Nov 8, 2018

I suggest you should add "x is an integer".

Take x = 7 x=7 . "In the year 2401, I will be 7+49+343(=399) years old." So she was born in 2401-399=2002.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Just saying, borned is not grammatically correct.

Winston Choo - 2 years, 7 months ago

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Oops, thanks for pointing out.

X X - 2 years, 7 months ago

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