Express each of the following in the language of ratios: In a class, the number of girls in the merit list of the board examination is two times that of boys. The number of students passing mathematics test is `2/3` of the number that appeared.

In a class, three are 30 boys and 25 girls. Find the ratio of the number of girls to that of total number of students.

In a class, three are 30 boys and 25 girls. Find the ratio of the number of boys to that of total numbers of students.

In a class, the number of boys is 3/2 times the number of girls. If there are 55 students in the class, find the number of boys and girls in the class.

In a class of 36 students, 20 are girls and the rest are boys. Find the ratio of: the number of boys to the total number of students in the class.

In a class, three are 30 boys and 25 girls. Find the ratio of the number of boys to that of girls.

In a class of 36 students, 20 are girls and the rest are boys. Find the ratio of: the number of boys to the number of girls.

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

Express the following ratios in the language of daily life: (i) In an examination, the ratio of the number of students passing the examination to the total number of students that appeared in the examination is 4:5. (ii) Water is formed by combining volumes of oxygen and hydrogen in the ratio 1:2. (iii) To dilute an acid, students were asked to mix acid and water in the ratio 2:3.

There are 20 girls and 15 boys in a class.(a) What is the ratio of number of girls to the number of boys?(b) What is the ratio of number of girls to the total number of students in the class?

In a class of 36 students, 20 are girls and the rest are boys. Find the ratio of: the number of girls to the number of boys.