In a group of 50 students 20 like only maths and 15 like only science. 5 students like both maths and science and number of student who donot like any of the two subject is double of number of students who like both the subject. find the number of students who like at most one subject.
explanation: 20 like math 15 like science add 5 to both because 5 like math and cience so you get 25 that like math and 20 that like science so the answer is science
