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Maths Puzzle
Numerical Ability
My grandfather was x years old in the year x squared. In what year was he born?
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book Other Question
A piggy bank contains 5-centavo and 10-centavo coins amounting to PHP 30.50. If there are 19 more 5-centavo coins than 10-centavo coins, how many coins are in the piggy bank?
how do i do this problem?
{{{20x^3}}} over{{{4xy^2}}} x (times) -6xy over -x
(they ARE fractions)
thnx