Question 4
In a class of 80 students, every students studies Economics or Geography or both. If 65 students study Economics and 50 study Geography, how many study both subjects?
Objective
Question details
- Exam body
- WAEC
- Subject
- Mathematics
- Year
- 2001
- Question no.
- #4
- Type
- Objective
More from this paper
- Q1Which of the following correctly expresses 48 as a product of prime factors?
- Q2Evaluate \((20_{three})^2 - (11_{three})^2\) in base three
- Q6Express 0.0462 in standard form
- Q7In a bag of oranges, the ratio of the good ones to the bad ones is 5:4. If the…
- Q8A boy estimated his transport fare for a journey as N190 instead of N200. Find…
- Q9Evaluate \(5\frac{2}{5}\times…