CTET sept16 Q60
0. If x√243 = y√867, where x and y are co-prime numbers, then the value of (x - y) is
- Option : B
- Explanation : x√243 = y√867
x/y = √867/243 = √289/81 = 17/9
⇒ x = 17/9 x y
If y = 9, then x = 17/9 x 9 = 17
9 and 17 are co-prime numbers
⇒x - y
⇒x - y = 17 - 9 = 8
