Which instrument is a writing instrument necessary for exam responses?

• A. Ball Pen
• B. Calculator
• C. Weather Service
• D. Mean Percentage Score (MPS)

Answer: (A)

When you’re writing your answers on paper, you need a writing instrument to record them clearly. A ball pen is a good fit because its ink flows smoothly, leaves legible marks, dries quickly, and remains easy to read during grading or scanning. This makes your written responses reliably captured on the answer sheet. A calculator is useful for doing calculations, but it doesn’t record your written responses. The other options don’t relate to producing exam answers.