Bhavin is ranked 7th from the top and Saira is ranked 6th from the bottom in an exam. In the next exam their position got exchanged and Saira was ranked 15th from the bottom. How many students in total gave the exams?

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HPCL Engineer (Civil) 04 Nov 2022 Official Paper
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  1. 23 students 
  2. 22 students
  3. 20 students
  4. 21 students

Answer (Detailed Solution Below)

Option 4 : 21 students
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As per the given information,

1) Bhavin is ranked 7th from the top.

F1 Savita ENG 09-11-23 D37

2) Saira is ranked 6th from the bottom in an exam.

F1 Savita ENG 09-11-23 D38

3) In the next exam their position got exchanged and Saira was ranked 15th from the bottom. 

F1 Savita ENG 09-11-23 D39

Total students who gave the exam = (14 + 1 + 6) = 21 

Hence, the correct answer is "21 students".

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