Percentage

The correct option is (B) :8.8.

Let the maximum marks of the exam be . According to the problem, X got 98 marks, which is 56% of the total marks. We can express this as: $ , we can rearrange the equation: \) $ So, the maximum marks of the exam are 175. Therefore, the correct option is (B)

Let the original number be . First increase by 20%: New number Second increase by 25% (on ): Increase New number Third increase by 30% (on ): Increase Final number The total increase from the original number to the final number is . To find the single equivalent percentage increase, we calculate the percentage of this increase with respect to the original number : Equivalent percentage increase Equivalent percentage increase Equivalent percentage increase Therefore, the single equivalent increase is 95%.