A survey of 100 students in an institution shows that 80 students speak Hausa and

MATHEMATICS
JAMB 1997

A survey of 100 students in an institution shows that 80 students speak Hausa and 20 students speak Igbo, while only 9 students speak both language. How many students speak neither Hausa nor Igbo?

  • A. 0
  • B. 9
  • C. 11
  • D. 20

Correct Answer: B. 9

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