SOLUTION: A grandmother, her daughter and her granddaughter can this year say that the sum of
their ages is 100. In which year was the granddaughter born if each age is a power of 2?
A) 19
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Question 1070236: A grandmother, her daughter and her granddaughter can this year say that the sum of
their ages is 100. In which year was the granddaughter born if each age is a power of 2?
A) 1998 B) 2006 C) 2010 D) 2012 E) 2013
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Their ages must all be different because they
are 3 different generations.
The possible powers of for their ages
is 2, 4, 8, 16, 32, and 64
-------------------------
Which 3 of these add up to ?
Of all the numbers these are the only ones
that make sense.
The daughter was when the granddaughter was born.
The grandmother was when her daughter was
born.
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