MBA Questions of the day (19 Oct’13)

Directions for questions (29 to 31): These questions are based on the following data.

There were a hundred schools in a town. Of these, the number of schools having a play-ground was 30, and these schools had neither a library nor a laboratory. The number of schools having a laboratory alone was twice the number of those having a library only. The number of schools having a laboratory as well as a library was one-fourth the number of those having a laboratory alone. The number of schools having either a laboratory or a library or both was 35.

29. How many schools had none of the three, viz., laboratory, library or play-ground?

(1) 20                     (2) 5                       (3) 30                     (4) 35                     (5) None of these

30. What was the ratio of schools having a laboratory to those having a library?

(1) 1 : 2                  (2) 5 : 3                  (3) 2 : 1                  (4) 2 : 3                  (5) None of these

31. How many schools had at least two of three, viz., laboratory, library or play-ground?

(1)10                      (2)15                      (3)20                      (4)25                      (5) None of these

Answers:

29. (4)
30. (2)
31. (5)