Webgocphim.net WebIn a class of 100 students, 50 students passed in Mathematics and 70 passed in English, 5 students failed in both Mathematics and English. How many students passed in both the …
There are 100 students in a class. In an examination, 50 …
WebApr 4, 2024 · There are 100 students in a class. In an examination, 50 of them failed in Mathematics, 45 failed in Physics, 40 failed in Biology and 32 failed in exactly two of the three subjects. Only one student passed in all the subjects. Then, the number of students failing in all the three subjects is?A. 12B. 4C. 2D. WebJun 21, 2014 · Since 85 passed math, 60 passed science, there are 145 passes from 120 students. We conclude that 145-120=25 passed both. Hence (b) 120-25=95 passed (or failed) exactly one subject. For (a), 60 passed science, and 25 passed both, so 35 passed science but did not make math. A more mathematical treatment would be: P' (A∪B)=1-P … how do i show multiple tabs in edge
In a class 100 students, 55 students have passed in Mathematics …
WebNov 4, 2009 · Using set theory let A contain the students who failed mathematics (50) and B contain the students that failed English (30). Now set A and B intersect so they share the same students (5). Therefore the students who passed both subjects is the complement of the union of the sets. ~(AUB)=~(A+B-AintersectB)=100-(50+30-5)=25 students. WebIn a class of 100 students, 55 students have passed in Maths, 67 passed in Physics. If all the students pass in at least one subject, then the number of students who passed in physics only is A 22 B 33 C 10 D 45 Solution The correct option is D 45 (Math)+(Physics)=55+67=122 ⇒ (Math)∩(Physics)=22 ∴ Only physics passed students … WebNov 26, 2024 · Step-by-step explanation: Total number of students=100 Number of students fail in English= (50-12)=38 Number of students fail in Maths= (30-12)=18 Number of students fail in both=12 Therefore total failing students= (38+18+12)=68 Pass in both the subjects= (100-68) =32 students 32 students have passed in both subjects Advertisement … how do i show html code