Question 1085644
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A man has two sons. the man age is sum of {{{highlight(cross(her))}}} his two sons age and one son is twice {{{highlight(as)}}} old {{{highlight(cross(than))}}} as the  other. 
after 4 years {{{highlight(the_sum_of)}}} sons {{{highlight(cross(age))}}} ages will be half of {{{highlight(cross(thier))}}} their father's age. find their ages?
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It can NEVER be happen.


The condition is DEFECTIVE.



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Trying to invent your own problem ?


At this spot the real problem from the real student could be placed, who really needs the help from the tutors.


Think about it . . .