If n is a multiple of5 and ~$n=\left ( p^{2} \right )q$~, where p and q areprime numbers, which of the following must be a multiple of 25 ?
~$p^{2}$~
~$q^{2}$~
~$pq$~
~$p^{2}q^{2}$~
~$p^{3}q$~
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p^2)*q=multiple of 5 ∴q=5z(z is integer) ∴q^2 =25K ∴B???????????????
p^2)*q=multiple of 5
∴q=5z(z is integer)
∴q^2 =25K
∴B???????????????
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