Question

two positive numbers are in the ratio 2:5 if the difference between the squares of these numbers is 189 find the numbers​

Answer 1

Your answer is

(5x × 5x)-(2x × 2x)=189

25x - 4x=189

21x=189

x=189÷21

x=9

5x=9×5

5x=45

2x=9×2

2x=18

first no. is 45 and the second no. os 18