Multiple choice

Let k be the solution of the equation 2k + 4 = 8 and l be the solution of the equation 3I + 9 = 3 (9 - 4). Which of the following options is/are not correct?

  1. k + I = 4

  2. k / l = 1

  3. k - l = 0

  4. k x l = 2

  5. All of the above

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

2k + 4 = 8 => 2k = 4 => k = 2 --------- (1) 3I + 9 = 3 (9 - 4) => 3I + 9 = 3 x 5 => 3I = 15 - 9 => 3I = 6 => I = 2 ------------- (2)

Therefore, k x l = 4 Hence, the option is incorrect. Therefore, it is the correct answer.