Three numbers are in the ratio 3:4:5. The sum of their squares is Rs 1250. What is the sum of numbers?

Options
- 40
- 50
- 60
- 90

CORRECT ANSWER : 60

Discussion Board
solution

let the numbers are in the ratio=3:4:5
then the numbers are 3x,4x,5x
given
9x^2+16x^2+25x^2=1250

50x^2=1250
x^2=25
x=5

there fore, the numbers are 15,20,25
sum=60

G.venkata suresh reddy 08-11-2016 02:46 AM

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