In a school, 60% of the number of students are boys and the rest are girls. If 20% of the number of boys failed and 65% of the number of girls passed the examination, then the percentage of the total number of students who passed is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 74
| Understanding | Application |
| Tricks |
Let the total number of Students = 100 So Total boy = 60 and total girls = 40 |
| Now |
No. of failed boys students = 20 100% = 60 20% = 60/100 × 20 = 12 passed boys students = 60 - 12 = 48 No. of girls students 65% 100% = 40 65% = 40/100 × 65 = 26 |
| Hence |
Total passed students = 48 + 26 = 74 means 74% |