P q r are successive even natural numbers in ascending order five times r is eight more than seven times p.Find q
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Answer:
q=8
Step-by-step explanation:
let p=2n
q=2n+2
r=2n+4
5r=7p+8
5(2n+4)=7(2n)+8
10n+20=14n+8
4n=12
n=3
thus we get ,
p=2n
=2*3
=6
q=2n+2
=2*3+2
=6+2
=8
r=2n+4
=2*3+4
=6+4
=10
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