Question

The ratio of three numbers are in ratio 3:4:5 nd the sum of their square is 1250. The sum of the numbers is

Answer 1

Here is your answer...

let the numbers be 3x , 4x and 5x

then according to question...

(3x)^2 + (4x)^2 + (5x)^2 = 1250

9x^2 + 16x^2 + 25x^2 = 1250

50x^2 = 1250

x^2 = 25

x = 5

then the three numbers are

3 × 5 = 15

4 × 5 = 20

5 × 5 = 25

and their sum is

15 + 20 + 25 = 60

hope this will help you....

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