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In a class of 40 students, 1/5 of the total number of students like to eat rice only, 2/5 of the total number of students like to eat chapati only and the remaining students like to eat both. What fraction of the total number of students like to eat both?

The ratio of Boys and Girls is 5 : 3 . Some students took admission in the ratio 5 : 7. Now total students are 1200 and ratio becomes 7 : 5 . Find the number of students before admission.

The following histogram shows the distribution of marks of 50 students in a college.The percentage of the students, whose marks lie between 40.5 and 60.5 is

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Arrange the following words as per order in the dictionary: 1. Admire 2. Addition 3. Addict 4. Admission 5. Adult

Several students have taken an exam . There was an error in the answer key which affected the marks of 48 students , and their average marks reduced from 78 to 66 . The average of remaining students increased by 3.5 marks . This resulted the reduction of the average of all students by 4.5 marks . The number of students that attended the exam is :

An institute has 5 departments and each department has 50 students.If students are picked up randomly from all 5 departments to form a committee,what should be the minimum number of students in the committee so that at least one department should have representation of minimum 5students?