The following table shows the marks obtained by two students P and Q in different subjects

Subject	Student P	Maximum Marks	Student Q	Maximum Marks
Physics	50	100	65	100
Chemistry	85	100	90	100
Biology	55	100	50	100
Hindi	40	50	45	50

What is the approximate difference in the aggregate percentages of P and Q?

Correct option is C

Given:

The marks obtained by students P and Q in different subjects:

Formula Used:

Percentage =$$\left( \frac{\text{Total Marks Obtained}}{\text{Total Maximum Marks}} \right) \times 100$$​

Solution:

Total marks obtained by P = 50 + 85 + 55 + 40 = 230

Total marks obtained by Q = 65 + 90 + 50 + 45 = 250

Total maximum marks = 100 + 100 + 100 + 50 = 350

For Student P:

Percentage of P =$$\left( \frac{230}{350} \right) \times 100 \approx 65.71\%$$​

For Student Q:

Percentage of Q =$$\left( \frac{250}{350} \right) \times 100 \approx 71.43\%$$​

The approximate difference in the aggregate percentages of P and Q is:

71.43% − 65.71% = 5.72% $$\approx 6\%$$​​