Three numbers are in the ratio 2:3:5 and the sum of their squares in 608. Then find the number
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Suppoze the three numbers=2z,3z and 5z.
A.P.Q.
(2z)²+(3z)²+(5z)²=608
or 4z²+9z²+25²=608
or 38z²=608
or z²=608÷38
or z²=16
or z²=(4)²
or z=4
Hence,the three numbers are
2×z=2×4=83×z=3×4=125×z=5×4=20
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