A) 150
B) 120
C) 100
D) 180
Correct Answer: B
Solution :
Difference of percentages \[=(40-30)%=10%\] Difference of marks \[=6+6=12\] \[\because \]10% of total marks = 12 \[\therefore \] Total marks \[=\frac{12\times 100}{10}=120\]You need to login to perform this action.
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