ഒരു സ്കൂളിലെ ആൺകുട്ടികളും പെൺകുട്ടികളും തമ്മിലുള്ള അനുപാതം 7 : 9 ആണ്. ആ സ്കൂളിൽ ആകെ 256 കുട്ടികൾ ഉണ്ടെങ്കിൽ ആൺകുട്ടികളും പെൺകുട്ടികളും തമ്മിലുള്ള വ്യത്യാസം എന്താണ്?
A16
B32
C24
D8
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