Question

Que. 37 /40 In a class
containing 120 students 65
students drink tea and 84
students drink coffee. If x
students drink both tea and
coffee, What is the value of x_
A. O 36
B. O 65
C. • 29 (x (65
D.
29 ((x ((84​

Answer 1

Step-by-step explanation:

Solution:

Let T denote the set of students who drink Tea and C denote the set of students who drink coffee. As given:

n (T) = 65, n (C) = 84,

Let x denote number of students who take tea and coffee both.

n(T C) = 120 and n(T C) = x

n(T C) = n(T) + n(C) - n(T C)

and