InterviewSolution
Saved Bookmarks
| 1. |
A test has twenty questions worth 100 marks in total. There are two types of questions, multiple choice questions are worth 3 marks each and essay questions are worth 11 marks each. How many multiple choice questions does the exam have? (A) 12 (B) 15 (C) 18 (D) 19 |
|
Answer» Correct option is (B) 15 (x = MCQ , y = Essay type) x + y = 20 3x + 11y = 100 ⇒ x = 15, y = 5 |
|