Question

In a class of 50 students 23 speak English. 15 speak Hindi and 18 speak Kannada
3 speak only English and Hindi, 6 speak only Hindi and Kannada and 6 speak only
Kannada and Hindi and 9 can speak only English. How many speak all the three
languages ?
(A) 3
(B) 4
(C) 5
(D) 7​

Answer 1

Answer:

C, 5

in the question h interaction k is repeated twice as 6 .

so second one is assumed as k interaction E.

this change makes Usual formula throw value of three language Negative.

So , disregarding the Total Number in universal set and Assuming the above .

Step-by-step explanation:

solution is attached in the photo.

other results are Hindi alone is 1 , Kannada alone is 1