Question

5
In the semester examination comprising
English, Mathematics, Science and Social
Science, Rewa scored 83 per cent marks.
If her average in English and Social Science was
76, can you tell how much was her average in
Mathematics and Science?
90
Eag+ 55-76​

Answer 1

her number in English and social science =76*2=152

now she got the total number=83*4 subject= 332

so her number in Mathematics and  science=332-152=180

now, the average percentage in Mathematics and Science=180/2=90%

so, her average in mathematics and science would be 90%