Numerical Ability Mcq Question

  1. The Venn diagram shows the preference of the student population for leisure activities.
    Play sports Read books Watch TV From the data given, the number of students who like to read books or play sports is
  1. 44
  2. 51
  3. 79
  4. 108
Correct Option : D


No. of person reading Books = 13 + 44 + 12
n(A) + 7 = 76
No. of person playing = 15 + 44 + 7 + 17
n(B) = 83
No. of person watch TV = 29 + 12 + 7 + 17
n(C) = 65
n(A ⋂ B) = 44 + 7 = 51
n(A ⋃ B)= n(A) + n(B) – n(A ⋂ B)
= 76 + 83 – 51 = 108

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