please solve the question no. 23 and 24
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let correct answers be x
and incorrect be 120-x
1 no. is awarded for correct and 1/2 is deducted for wrong answer
now
x-1/2(120-x) = 90
x-60+x/2=90
3x/2=150
x=100
correct answer is 100
and incorrect be 120-x
1 no. is awarded for correct and 1/2 is deducted for wrong answer
now
x-1/2(120-x) = 90
x-60+x/2=90
3x/2=150
x=100
correct answer is 100
mohduzaif:
please solve the question no 2
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