Railways PYQCBT 1 2016

RRB NTPC · Question 39

Direction: Read the data given below and answer the question based on it. There were 3 sections namely A, B and C in a test. Out of three sections, 33 students passed in Section A, 34 students passed in Section B and 32 passed in Section C. 10 students passed in Section A and Section B, 9 passed in Section B and Section C, 8 passed in Section A and Section C. The number of students who passed each section alone was equal and was 21 for each section. How many passed only one of the three sections? A. 21 B. 42 C. 63 D. 52

  1. A

  2. C

  3. D

  4. B

Show answer & explanation

Answer: (B) C

Explanation

21 students passed each section alone, so those who passed only one section = 21 × 3 = 63.