30 students of my class were present. Total number of students in our class is 60. Let's find what percent of students have come to my class.

(ii) Today, 7 students of our class are absents. There are 35 students in our class. Let us find the percentage of students persent today in class.

0.23 parts of students of our class are girls. Let's find the percentage of girl students out of all the student of our class.

Its raining heavily since morning. Hence only 20% student's were present in Alam's school. Total number of students in Alam's school is 1230 then Let's find how many students were acutally present in school.

In the mathematics examination, 60% students of our class got more than 80 marks. If there are 50 students in our class, Let's find how many have got above 80.

If in praxis Business school 40 students like chocolate while 30 like cake,if there are 10 students who like both and an equal number of students who like none of them. What percentage of student do not like cake ?

Today is the Foundation day of our school. Each student of class five will be given pencil and eraser worth 5 rupees. Each student of class six will be given compass worth of 10 rupees. There are x students present in class five, but number of students present in class six is 8 less than the number present in class five. Calculate the amount of money spent for pencils and erasers and also the amount spent for compasses.

The ratio of boys and girls in Suchitra's class is 4 : 3 . If the total number of students in class is 63, find the number of boys and girls in the class. After a few days 3 more girls joined the class. Calculate the present ratio of boys and girls in Suchitra's class.

In Noorjahan's class 30% of the students are girls. There are 60 students in the class. Let's calculate to find the number of boys in Noorjahan's class.

A class has n students we have to form a team of the students including at least two students and also excluding atleast two students the number of ways of forming the team is

If in praxis Business school 40 students like chocolate while 30 like cake,if there are 10 students who like both and an equal number of students who like none of them. Find the total number of students at Praxis Business school.