Seven friends planned a tea party. The expenses per boy in rupees is numerically 1 less than the number of girls and the expenses per girl in rupees is numerically 1 less than the number of boys. If the ratio of the total expenses of the boys and the girls is ` 8 : 9`, then what is the expenditure of each boy?

Nine friends had a tea party. All boys took only coffee and all girls took only tea. The cost per cup of coffee in rupees is numerically 2 less than the number of girls and the cost per cup of tea in rupees is numerically 2 less than the number of boys. If the ratio of the total expenses of the boys and the girls is 5 : 6 , then what is the cost of each coffee? (In Rs.)

Eleven friends had a tea party. All boys took only coffee and all girls took only tea. The cost per cup of coffee in rupees is numerically one more than the number of girls and the cost per cup of tea in rupees is numerically equal to the number of boys. If the ratio of the total expenses of the boys and the girls is 7 : 6 , then what is the cost of each coffee ? (In Rs.)

The number of boys and girls in a class are in the ratio 5:6 The number of boys is 5 less than the number of girls. What is the total number of students in that class.

The number of boys is more than the number of girls by 12% of the total strength of the class. The ratio of the number of boys to that of the girls is

The ratio of number of girls to the number of boys in a class is 5:4. If there are 25 girls in the class, then the number of boys in the class is

In a class of 60 students, each boy contributed rupees equal to the number of girls and each girl contributed rupees equal to the number of boys. If the total money then collected was Rs. 1600. How many boys were there in the class?

In a class of 60 students, each boy contributed rupees equal to the number of girls and each girl contributed rupees equal to the number of boys. If the total money then collected was D1600. How many boys were there in the class?

In a class of 60 students, each boy contributed rupees equal to the number of girls and each girl contributed rupees equal to the number of boys. If the total money then collected was Rs. 1600, how many boys are there in the class?