Question
On the two subjects offered to a class in their final
year, 32 students in all are studying psychology while a total of 26 students are studying sociology. If 16 students have opted to specialize in both, what is the strength of the class?Solution
ATQ,
Given: Students studying Psychology (P) = 32 Students studying Sociology (S) = 26 Students studying both = 16 We use the formula for union of two sets: Total students=P+S−Both =32+26−16 = 42
More Previous year papers Questions
Who shops in home décor department from Big Basket?
How many shopkeepers auctioned after the one who likes Reebok?
Which of the following is true?
Who purchased the bungalow 18 years ago?
Which of the following is true regarding box P?
Who among the following attends music class in Morning?
Which of the following combinations of day-friend-company-colour is correct?
F’s height and I’s age is?
E likes which of the following game?
Who appears for the test of IIT Delhi?
