Neco Model Questions Vol1 2018 Mathematics Question 10

Practice objective / multiple choice question 10 from the 2018 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Medium Difficulty
Question 10 NECO_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective

The Venn diagram below represents the numbers of students who study Mathematics (set \(A\)), Physics (set \(B\)), and Chemistry (set \(C\)). The diagram shows: only \(A\): 20, only \(B\): 15, only \(C\): 10, \(A\cap B\) only: 8, \(B\cap C\) only: 5, \(A\cap C\) only: 7. It is known that 85 students take at least one of the three subjects, and the total number of students surveyed is 100. Find the number of students who study all three subjects.

Answer Options

A. 10
Correct Answer B. 20
C. 25
D. 15
Correct Answer
B
Correct Option:
20

About This Question

This is Neco Model Questions Vol1 2018 Mathematics Question 10. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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