Question
Three positive numbers are in the 5:6: 7 ratio and the
sum of their squares is 13,310. Find the sum of the three numbersSolution
Let the number be 5x,6x,7x. So ATQ- 25x² +36x² +49x² =13310 110x² =13310 x² = 121 x = 11 now sum of numbers = 5x +6x +7x =18x 18×11=198
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