Post Your Answer
Ans 1:
Class : Class 9
you are taking out average but if you tell you are a girl then you should know the answer
Post Your Answer
Ans 1:
Class : Class 10
1:2
because
lets take no. of boys as x then 70x will be total marks of boys
lets take girls as y then 73y will be no of total marks of girls
then 71x+71y will be equal to the total marks of whole class
then we can say that
70x+73y=71x+71y
it gives us x=2y
so ratio will be 1:2