In a class of 125 students 70 passed in Mathematics, 55 passed in Statistics and 30 passed in both. What is the probability that a student selected at random from the class has passed in only one subject?

• Correct answer
  A

  $13 / 25$
• B

  $3 / 25$
• C

  $17 / 25$
• D

  $8 / 25$

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