| Q.15 | In a class there are 70% boys. The average weight of boys is 55 kg and that of the girls is 50 kg. What is the average weight (in kg) of the whole class? | |
| Ans | 1. 53.2 | |
| 2. 52.5 | ||
| 3. 53.5 | ||
| 4. 51.2 |
Correct Ans Provided: 3
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