Discussion

Explanation:

Consider the solution to the earlier questions. 
 
Arranged from heaviest to lightest, the sequence of boys and girls is: 
Boy: 69
Boy: 67
Boy: 62
Girl: 60
Boy: 58
Girl: 57
Girl: 52
Girl: 49
Girl: 45
 
Hence, there can be: 
 
1) Two boys followed by a girl (59-54-52)
2) One boy between two girls (52-50-49)
4) Three girls one behind the other (49-44-41 or 44-41-37)
 
The combination in option (c) (two girls followed by a boy) is not possible. 
 
Hence, option (c).

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