Maria scored 75 % in maths out of 100 marks and 80 % in history out of 150 marks. What is her combined percentage?

**(A)** 82 %

**(B)** 77 %

**(C)** 77.5 %

**(D)** 78 %

**(E)** None of the above

Marks obtained by her in maths = 75 % of 100

Marks obtained by her in history = 80 % of 150

Total marks obtained by her = 75+120 = 195 out of 250

Her combined percentage %

Hence, the answer is **(D)**.