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The ratio of three numbers is 4:5:6 and sum of their squares is 7700. What is the sum of the numbers

πŸ—“ Mar 12, 2024

Answer is "150"

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Anonymous 🌐 India
4X,5X,6X
sum of their square is 7700.
(4x)^2+5x^2+6x^2=7700.
16x^2+25^2+36^2=7700.
x^2(16+25+36)=7700.
77x^2==7700.
x^2=7700/77.
x^2=100.
x=10.
4*10=40.
5*10=50.
6*10=60.
sum of the three number=40+50+60=150.
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