6 Common Study Mistakes | That Decrease Study Performance | That Every Student's Avoid | #shorts

Class 12 Common Mistakes Done by Students

Draw the Vennn diagrems to illustrate the following relationship among the sets E,M and U , where E is the set of students studying English in a school , M is the set of students studying Mathematics in the same scholl , U is the set of all students in that school . (i) All the students who study Mathematics study English , but some students who study English do not study Matchematics . (ii) There is not students who studies both Mathematics and English. (iii) Some of the students study Mathematics but do not study English , some study English but do not study Mathematics , and some study both . (iv) Not all students study Matchematics , but every student studyin English studies Mathematics.

In a University there are 1200 students studying four different subjects, Mathematics, Statistics, Physics and Chemistry. 20% of the total number of students are studying Mathematics, one-fourth of the total number of students are studying Physics, 320 students are studying Statistics and remaining students are studying Chemistry. Three-fifth of the total number of students studying Chemistry are girls. 150 boys are studying Mathematics. 60% of students studying Physics are boys. 250 girls are studying Statistics. The number of girls studying Statistics is what percent (approximate) of the total number of students studying Chemistry?

Study the following information carefully and answer the given questions. P. Q, R, S, T, W and Z are seven students studying in three different institutes-A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P, who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C. Which of the following pairs of students study medicine?

Study the following information carefully and answer the given questions. P. Q, R, S, T, W and Z are seven students studying in three different institutes-A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P, who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C. In which college does Q study?

Study the following information carefully and answer the given questions. P. Q, R, S, T, W and Z are seven students studying in three different institutes-A, B and C. There are three girls among the seven students who study in each of the three institutes. Two of the seven students study BCA, two study medicine and one each studies Aviation Technology, Journalism and MBA. R studies in the same college as P, who studies MBA in college B. No girl studies Journalism or MBA. T studies BCA in college A and his brother W studies Aviation Technology in college C. S studies Journalism in the same college as Q. Neither R nor Z studies BCA. The girl who studies BCA does not study in college C. In which of the colleges do three of them study?