In a elitmus exam a student solve 15 questions in english in which 10 are corect and 5 are wrong.How much marks will he get...???

• 70
  SOLN:
  FOR 0 TO 25% WRONG NO NEGATIVE MARKING
  BUT AFTER THAT NEGATIVE ON ALL....
  HERE 5WRONG QUESTION MEANS 33% WRONG
  SO HE WILL GET A NEGATIVE MARKING OF 25% ON WHOLE
  15(ATTEMPT)-5(WRONG)=10(CORRECT)
  10(CORRECT)=100
  5%(WRONG)=50*25/100=12.5(NEGATIVE)
  S0, OBTAINED MARKS=100-12.5=87.5
• 7 years agoHelpfull: Yes(4) No(2)
• approximate 85 - 90 marks
• 7 years agoHelpfull: Yes(1) No(2)
• 90-100 marks approx
• 7 years agoHelpfull: Yes(1) No(0)
• 10/15*100
  
  =
  
  66.67 %
• 7 years agoHelpfull: Yes(0) No(4)
• 100 marks
  total questions-20
  15 solved , 5 unsolved
  15 questions-150,5 questions-50
  out of 15, 10 are correct, so, 100 marks the student will get.
• 6 years agoHelpfull: Yes(0) No(0)