Saved Bookmarks
| 1. |
In a class test having three sections, A scored a total of 51 marks. A's score in the second sectionwas greater than his score in the first section by 7 and lower than his score in the third sectionby 7. How many marks did A score in the second section?1] 153] 244] 172] 10 |
|
Answer» Given : In a class test having three sections, A scored a total of 51 marks. A's score in the second section was greater than his score in the first section by 7 and lower than his score in the third section by 7. To Find : How many marks did A score in the second section? 1] 15 3] 24 4] 17 2] 10 Solution: A score in the second section = M A's score in the second section was greater than his score in the first section by 7 => Score in 1ST section = M - 7 A's score in the second section was lower than his score in the third section by 7. => score in 3rd section = M + 7 Total Score = M + M - 7 + M + 7 = 3M 3M = 51 => M = 17 A score in the second section = 17 Learn More: The AVERAGE marks obtained by Raghav in 12 tests is 24. Zubeida In a class of 45 students, ls are in the ratio of 5 : 4 ... |
|