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| Q.14 | In a certain class, 20% of students have an average weight of 64 kg, 35% of students have an average weight of 72 kg, 30% of students have an average weight of 68 kg, and the remaining students have an average weight of 82 kg. What is the average weight of all students in the class? | |
| Ans | 1. 70.5 kg | |
| 2. 70.9 kg | ||
| 3. 70.7 kg | ||
| 4. 80 kg |
Correct Ans: 3
