Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Linear Equation in 2 or more Variables
In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and scores 125 marks, the number of questions he attempts correctly is
1
35
2
40
3
36
4
More than one of the above
5
None of the above