If the average weight of 6 students is 50 kg; that of 2 students is 51 kg; and that of other 2 students is 55 kg; then the average weight of all students is
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Q:
If the average weight of 6 students is 50 kg; that of 2 students is 51 kg; and that of other 2 students is 55 kg; then the average weight of all students is
- 152 kgfalse
- 251.2 kgtrue
- 361 kgfalse
- 451.5 kgfalse
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