The average mark of boys is 80 and an average mark of girls is 60. The average mark of whole class is 70. Find the ratio between boys and girls:

1
1 : 3
2
2 : 1
3
1 : 2
4
1 : 1

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation