17. In a class, the average marks of boys is 520 and that of the girls is 420 . It the average mask per student is 500 , the percentage of boys in the class is 4

Open in App

Solution

Verified by Toppr

Was this answer helpful?

Similar Questions

The average marks of boys in a class is 52 and that of girls is 42. The average marks of boys and girls together is 50. The percentage of boys in the class is

View Solution

The average marks of boys in a class is $52$ and that of girls is $42$ . The average marks of boys and girls combined are $50$ . The percentage of boys in the class is:

View Solution

The average of marks scored by the students of a class is

68

. the average of marks of the girls in the class is

80

and that of boys is

60

. What is the percentage of boys in the class?

View Solution

The average marks of

48

students in a class is

45

. The average marks of the boys in the class is

40

and the average marks of the girls in the class is

50

. What is the ratio between the numbers of boys and the number of girls in the class?

View Solution

The average age of boys and girls in a class is 18. If the average age of boys in that class is 20 and that of girls is 17, then find the ratio of the number of girls to the number of boys in that class.

View Solution