JAMB Mathematics 2016 Objective — Question 2
Question 2 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
Advertisement
2. If the mean of 4, y, 8, and 10 is 7, find y. A. 6 B. 10 C. 7 D. 9
- A. 6Correct
- B. 10
- C. 7
- D. 9
Explanation
Mean = (4+y+8+10)/4 = 7 → 22+y = 28 → y = 6.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.