1].The cost of 1 dozen bananas is Rs 36 and the cost of 6 oranges is Rs 18.What is the ratio of the cost of a banana to the cost of an orange?
2]. 120 students appeared for an examination.100 students passed and the remaining failed.What is the ratio of students who failed to the total number of students?
3].Find the ratio of the number of boys to the total number of students in your class and find the ratio of number of girls to the total number of students in your class.
4].Are the following statements true?
a.99Kg : 45Kg = Rs 44 : Rs 20
b.32m : 64m = 6sec :12sec
5].Are 30,40,45 and 60 in proportion?