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three numbers are in the ratio 2:3:5 and the sum of their
squares is 152, what will be their sum ?
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Answer Posted / naveen
let the three numbers be 2x, 3x ,5x
sum of their squares is to be 4x^2+9x^2+25^2 = 152
then, 38x^2=152
x^2=4
x=2
the sum of the numbers = 2x+3x+5x=2*2+3*2+5*2=4+6+10
=20 (ans)
| Is This Answer Correct ? | 24 Yes | 7 No |
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