1. The average age of 5 students is 24 years. A teacher aged 36 joins them. What is the new average age?
Junior- A.29.12 years
- B.32.24 years
- C.22.88 years
- D.26 years
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2. The average age of 6 students is 30 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.37.44 years
- B.41.45 years
- C.29.42 years
- D.33.43 years
3. The average age of 5 students is 20 years. A teacher aged 45 joins them. What is the new average age?
Junior- A.21.27 years
- B.24.17 years
- C.29.97 years
- D.27.07 years
4. The average age of 5 students is 20 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.28.75 years
- B.25.67 years
- C.31.83 years
- D.22.59 years
5. The average age of 8 students is 15 years. A teacher aged 45 joins them. What is the new average age?
Junior- A.18.33 years
- B.20.53 years
- C.22.73 years
- D.16.13 years
6. The average age of 7 students is 24 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.27.75 years
- B.24.42 years
- C.31.08 years
- D.34.41 years
7. The average age of 4 students is 30 years. A teacher aged 48 joins them. What is the new average age?
Junior- A.41.66 years
- B.29.57 years
- C.37.63 years
- D.33.60 years
8. The average age of 8 students is 24 years. A teacher aged 36 joins them. What is the new average age?
Junior- A.25.33 years
- B.28.37 years
- C.31.41 years
- D.22.29 years
9. The average age of 6 students is 30 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.31.43 years
- B.38.97 years
- C.27.66 years
- D.35.20 years
10. The average age of 4 students is 15 years. A teacher aged 48 joins them. What is the new average age?
Junior- A.21.60 years
- B.26.78 years
- C.24.19 years
- D.19.01 years
11. The average age of 5 students is 18 years. A teacher aged 36 joins them. What is the new average age?
Junior- A.26.04 years
- B.21 years
- C.18.48 years
- D.23.52 years
12. The average age of 8 students is 15 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.17.78 years
- B.15.65 years
- C.19.91 years
- D.22.04 years
13. The average age of 7 students is 15 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.24.66 years
- B.17.49 years
- C.22.27 years
- D.19.88 years
14. The average age of 7 students is 15 years. A teacher aged 45 joins them. What is the new average age?
Junior- A.21 years
- B.23.25 years
- C.18.75 years
- D.16.50 years
15. The average age of 6 students is 24 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.26.29 years
- B.23.14 years
- C.29.44 years
- D.32.59 years
16. The average age of 7 students is 24 years. A teacher aged 45 joins them. What is the new average age?
Junior- A.23.43 years
- B.26.63 years
- C.29.83 years
- D.33.03 years
17. The average age of 7 students is 30 years. A teacher aged 36 joins them. What is the new average age?
Junior- A.38.13 years
- B.27.06 years
- C.34.44 years
- D.30.75 years
18. The average age of 4 students is 30 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.39.68 years
- B.28.16 years
- C.32 years
- D.35.84 years
19. The average age of 8 students is 30 years. A teacher aged 48 joins them. What is the new average age?
Junior- A.35.84 years
- B.28.16 years
- C.32 years
- D.39.68 years
20. The average age of 5 students is 18 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.19.07 years
- B.21.67 years
- C.26.87 years
- D.24.27 years
21. The average age of 5 students is 30 years. A teacher aged 48 joins them. What is the new average age?
Junior- A.33 years
- B.36.96 years
- C.40.92 years
- D.29.04 years
22. The average age of 8 students is 12 years. A teacher aged 48 joins them. What is the new average age?
Junior- A.17.92 years
- B.14.08 years
- C.16 years
- D.19.84 years
23. The average age of 4 students is 15 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.25.54 years
- B.28.28 years
- C.22.80 years
- D.20.06 years
24. The average age of 7 students is 30 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.27.50 years
- B.38.75 years
- C.35 years
- D.31.25 years
25. The average age of 5 students is 24 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.29.87 years
- B.33.07 years
- C.26.67 years
- D.23.47 years
26. The average age of 7 students is 12 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.17.25 years
- B.15.18 years
- C.21.39 years
- D.19.32 years
27. The average age of 7 students is 18 years. A teacher aged 40 joins them. What is the new average age?
Junior- A.23.24 years
- B.20.75 years
- C.25.73 years
- D.18.26 years
28. The average age of 4 students is 18 years. A teacher aged 45 joins them. What is the new average age?
Junior- A.29.02 years
- B.20.59 years
- C.26.21 years
- D.23.40 years
29. The average age of 7 students is 12 years. A teacher aged 36 joins them. What is the new average age?
Junior- A.16.80 years
- B.15 years
- C.18.60 years
- D.13.20 years
30. The average age of 6 students is 12 years. A teacher aged 54 joins them. What is the new average age?
Junior- A.20.16 years
- B.18 years
- C.22.32 years
- D.15.84 years
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