Paragraph: Read the following information and answer:
Question: The difference between number of students under Physics and Mathematics is largest for the interval

• A

  $20-30$
• B

  $30-40$
• Correct answer
  C

  $40-50$
• D

  $50-60$

Solution

Hence, difference is largest for the interval (40-50).

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