Multiple choice

In each of the following questions, two equations are given. You have to solve them and $( (I) 11x - 8y = 79 )( (II) 15x - 16y = 123 )$

  1. If x > y

  2. If x ≥ y

  3. If x < y

  4. If x ≤ y

  5. If x = y or relationship cannot be established

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Multiply equation I by 2: 22x-16y=158. Subtract from II: (15x-16y)-(22x-16y)=123-158, giving -7x=-35, so x=5. Substituting: 55-8y=79, y=-3. Since 5>-3, x>y. Option A is correct.