Instructions

Read the data given below and answer the questions 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.

Question 38

How many passed all the three sections?

Solution

Section a represent the no of student  passed in all the three sections i.e 6


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