56. Yash scored 35 marks in a test, getting 2 marks for each right answer and losing 1 mark for each
wrong answer. Had 3 marks been awarded for each correct answer and 2 marks been deducted
for each incorrect answer, then Yash would have scored 50 marks. How many questions were
there in the test?
Answers
Answered by
0
Answer:
yash should score eighteen times 3 and ones time 2
Answered by
0
Answer:
25
Step-by-step explanation:
Right answer= r
Wrong answer=w
r+w= number of questions
Cals of marks;
- 2r-w=35 => w=2r-35
- 3r-2w=50 =>
- 3r-2(2r-35)=50 =>
- 3r-4r+70=50 =>
- r=20
- w=2*20-35=5
So right answers= 20, wrong answers= 5, number of questions= 25
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