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In a group of 450 students, 22% of the total students take the Hindi subject, 34% of the total students take the Physics subject, and 26% of the total students take the Social Science subject. 8% of the total students have taken both Hindi and Physics subject only. Out of the total students in the Hindi subject, 1/3 have taken both Hindi and Social Science subject only. Out of the total students in the Physics subject, 1/3 have taken both Physics and Social Science subject only. Only 20 students take all the three subjects. Find the number of students who have not taken any subject.  
In a class text, to the question, find out 23% of 200, two students answered in following ways:  Student A: 23% of 200 = 23% of (100 + 100) = 23 + 23 = (20 + 20) + (3 + 3) = 46  Student B: 23% of 200 = 200 × \(\frac{23}{100}\) = 2 × 23 = 46 Which of the following statements is the most appropriate in the given context? 1. Since student B has used the standard algorithm, teacher gives full marks to student B and zero to student A 2. Teacher gives full marks to both the students as they have attempted the question using their own algorithms. Both formal and informal algorithms are integral to solving problems in mathematics. 3. Teacher gives zero marks to student A and directs him to redo the question using the algorithm taught in the Class 4. Teacher accepts both the responses but directed student A to refrain from using informal algorithm 
Seven people, Kamal, Nalini, Namrata, Sheela, Shakti, Arun and Sukanya, study three different subjects - Mathematics, Science and Physics in three different schools - P, Q and R. Less than two and no more than three people study the same subject. Less than two and not more than three people study in the same school. Namrata studies Mathematics in school P which has only one more student named Shakti. Kamal does not study in school R but he is a student of mathematics. Shakti and Sukanya study the same subject. Sheila studies physics in school R. Nalini is also a student of school R. Arun and Sukanya do not study in school R. Nalini and Shakti study science. Arun is a student of which subject?
The pie chart given below shows the number of female students in different subjects. The number of female students in a particular subject is shown as a percentage of a total number of female students in all the subjects together. If the total number of female students is 3600, then what is the difference in the number of female students in subjects S1 and S4?
Which among the following is correct regarding male-female inter and intra-state migration in India as per Census-2011 data? 1. In intra-state migration, male outnumbers female in rural to urban migration 2. In inter-state migration, male outnumbers female in rural to urban migration 3. In intra-state migration, female outnumbers male in rural to rural migration 4. In inter-state migration, male outnumbers female in rural to rural migration
Female rabbits are either juvenile or adult. Each month, each juvenile grows to adulthood and each adult female gives birth (on average) to one juvenile female. Starting with one juvenile female rabbit, how many female rabbits will there be after 10 months ?
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, a student can choose the order in which two questions (QuesA and QuesB) must be attempted. - If the first question is answered wrong, the student gets zero marks. - If the first question is answered correctly and the second question is not answered correctly, the student gets the marks only for the first question. - If both the questions are answered correctly, the student gets the sum of the marks of the two questions. The following table shows the probability of correctly answering a question and the marks of the question respectively.  question Probability of answering correctly marks QuesA 0.8 10 QuesB 0.5 20 Assuming that the student always wants to maximize her expected marks in the examination, in which order should she attempt the questions and what is the expected marks for that order (assume that the questions are independent)? 
Identify those features of learner behavior which are associated with understanding level teaching: A) The student renders facts and information in his/her own words B) The student immediately recalls the facts taught C) The student gives his/her own examples in order to explain a point D) The student interprets the meanings in various ways E) The student correctly reproduces the sequence taught Select your answer from the following options:
Study the following information to answer the questions given below: A company visited an Engineering college for placement drive where students of any branch can participate in the drive. But company put some eligibility criteria. 1) Student having no backlogs are eligible to participate in the drive. 2) Student having greater than 9.8 CGPA without any backlogs are eligible for direct interview round. 3) Student must have at least 70 percentage in 10th and 12th. If the 1st and 2nd criteria not fulfilled then, a) If student has 1 or 2 backlog and the result is awaiting but having a CGPA 8.5 then he has to participate in presentation round before the interview round. Sameer a Mechanical student is the topper of the college having 90 percentage in both 10th and 12th. But he is having a 1 backlog in his 4th semester and the result is awaiting. His CGPA is 8.8.