The points with position vectors $10 \hat{i}+3 \hat{j}, 12 \hat{i}-5 \hat{j}, a \hat{i}+11 \hat{j}$ are collinear, if the value of $a$ is

• A

  -8
• B

  4
• Correct answer
  C

  8
• D

  12

Hence, the correct answer is option: 'C'.