 <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) <yor> Kí ni ìbéèrè tí wọ́n béèrè fún ìjíròrò àti ìdáhùn tó dá lórí ọ̀ràn náà? Jẹ ki awọn ọmọkunrin jẹ X, lẹhinna awọn ọmọbirin jẹ 7X, lapapọ = X + 7X = 8X Nítorí náà, ó yẹ kó jẹ́ ìlọ́po 8, 30 kì í ṣe ìlọ́po 8.  A: (C) 