Find P and q if -
3/5=p/20=18/q

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Solution

Consider the first part of equation.
ie,
3/5=p/20
On cross multiplication,
p= (20×3)/5
= 60/5
=12

Now consider the next relation,
3/5=18/q
Here ,
q = (18×5)/3
= (90)/3
=30

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