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In a class of 100 students, every student has passed in one or more of the three subjects, i.e History, Economics and English. Among all the student, 24 students have passed in English only, 14 students have passed in History only 11 students have passed in both English and Economics only, and 12 students have passed in both English and History only. A total of 50 students have passed in History. If only 5 students have passed in all three subjects, then how many students have passed in Economies only?
There are 800 students in class X of a school. Out of them, 51% students passed in English, 48% students passed in Economic and 34% students passed in Hindi. 15% of students passed in English and Economics, 10% of students passed in English and Hindi and 13% of students passed in Economics and Hindi. Then, what is the number of students who are passed in all three subjects?
1500 students appeared in an examination, which consist of three papers: History, Geography and Economics. 190 students passed in History only, 180 students passed in Geography only whereas 240 students passed in Economics only. 366 students passed in both History and Economics, 346 students passed in both Economics and Geography and 326 passed in both History and Geography. 206 students passed in all the three papers. How many students passed in any two papers only?
Among 80 students, 24 passed in Chemistry, 35 passed in Physics and 29 passed in Mathematics, 8 students did not appear for the examination. If 2 students have passed in all the three subjects, 2 students have passed in Physics and Chemistry both but not in Mathematics, 2 students have passed in Chemistry and Mathematics both but not in Physics, and 8 students have passed in Physics and Mathematics both but not in Chemistry, then how many students have passed in Mathematics only?
Each question below is followed by two statements I and II. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose the best possible answer. What is the average weight of new students added? I. In a class 60% students are male and there average weight is 15 kg more than the female students, 9 males and 6 new female students joined the class and the average weight of the class increased by 0.84 II. Total male students in the class is 12 more than female students adding 9 male students to the class increases the average weight of male students by 1 kg and adding 6 female students increases the average weight of female students by 0.6.
In an examination, the number of students who passed and the number of students who failed were in the ratio 25 ∶ 4. If one more student had appeared and passed and the number of failed students was 3 less than earlier, the ratio of passed students to failed students would have become 22 ∶ 3. What is the difference between the number of students who, initially, passed the examination and the number of students who failed the examination?
In an examination, the number of students that appeared from school A is 20% more than the number of students that appeared from school B. 75% of the students from school B passed. If the total number of students that passed from both schools is 80% more than the number of students that passed from school B, then the percentage of students that passed from school A to those who appeared from school A is∶ 
In a class of 130 students, a class test for two subjects Physics and Chemistry was conducted. (x + 40) students passed in Physics and (x + 30) students passed in chemistry and no student failed in both subjects. If 60 students passed in both subject, then, what is the number of students passed in only physics?
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Total number of pupils in three classes of a school is 1288. The ratio of children in three classes X, Y, Z is 39 : 64 : 58. In class X number of boys are 26 less than number of girls. Number of boys in class Y is 67.83% more than the number of boys in class X. And, girls in class Z are 25.36% less than the number of girls in class Y. (In calculating number of boys and girls, the decimal value must be rounded off to nearest whole number). Quantity A: Number of boys in class Z. Quantity B: Number of girls in class X. Quantity C: Number of girls in class Y.
In a college exam, 43 passed in accounts, 42 passed in digital marketing and 40 passed in social science. In all the three exams, 10 got passing marks. 22 passed accounts and digital marketing, 23 passed in accounts and social science, 16 passed in digital marketing and social science. Find how much percentage of the students passed only in two subjects to students passed only in one subject.