Discuss Forum

1. The present ratio of students and teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?

  • A. 5
  • B. 5
  • C. 5
  • D. 5

Answer: Option E

Explanation:

3.5  - এর শতকরায় প্রকাশ হচ্ছে (3.5 ×100)%
 = 350 %

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