On a new year day every student of a class sends a card to every other student. The post man delivers 600 cards. How many students are there in the class?

On a new year day every student of a class sends a card to every other student.The postman delivers 600 cards.The number of students in the class are

In a class, 60% of the total number of students are boys and there are 14 girls. How many students are there in the class?

In a class the girls are 60 % of the total number of students and the boys are 18 in number . How many students are there in the class ?

The average age of a class is 21 years. If a student with age 42 years joins the class, then new average age becomes 24 years. How many total students are there in the class?

The given bar graph, shows the number of students in different classes. How many more students are there in class VIII than in class IX?

Fill in the blanks with 'much' or 'many: How ....... students are there in the class?

In school assembly, students of a class are standing in a line. Ruhi is 19th from both ends. How many students are present in that class?

There are 42 students in a class and 5/7 of the students are boys. How many girls are there in the class?

There are some benches in a class room. If 4 students sit on each bench, then 3 benches are left unoccupied. However, if 3 students sit on each bench, 3 students are left standing. How many students are there in the class?