 
 <translate> For this chain-of-thought reasoning and answer, what was the question?
Let the boys are X, then girls are 7X, total = X+7X = 8X
So it should be multiple of 8, 30 is not a multiple of 8.
 A: (C) <hau> Don wannan tunani mai zurfi da amsa, menene tambaya? Bari maza su zama X, sannan mata su zama 7X, duka = X+7X = 8X Don haka ya kamata ya zama ninki 8, 30 ba ninki 8 ba ne.  A: (C) 