Life hacks for students

Statements:- All teachers are students. No student is girl. Conclusions :- I. All girls are students. II. Some girls are student.

School Life of Students

Express the following ratios in the language of daily life: 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. Water is formed by combining volumes of oxygen and hydrogen in the ratio 1:2. To dilute an acid, students were asked to mix acid and water in the ratio 2:3.