Q. In the following questions are to be based on the details given below. A salesman visits 274 houses in a town to find out the views about three products X, Y and Z. He found that 157 use X, 98 use only X, 22 use all the three, 14 use X and Z but not Y, 39 use Y and Z, 48 use only Y. Which product is the most popular one?
A) Y
B) X
C) Both X and Z
D) Z
✔ Correct Answer: X
Exam Insight
-