A) 10, 8
B) 9, 18
C) 5, 9
D) 4, 10
Correct Answer: C
Solution :
Case 1 : Asha scored = 26 marks Correct answers by Asha = 9 Let incorrect answers by Asha be x \[\therefore \] According to question, \[9(4)+x(-2)=26\] \[-2x=26-36\Rightarrow \,\,x=5\] \[\therefore \] Incorrect answers by Asha = 5 Case 2 : Varun scored = 2 marks Correct answers by Varun = 5 ; Let incorrect answers by Varun be y \[\therefore \] According to question \[5(4)+y(-2)=2\,\,\,\Rightarrow \,\,-2y=2-20\,\,\Rightarrow y=9\] \[\therefore \] Incorrect answers by Varun = 9You need to login to perform this action.
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