The correct option is D 14
Teachers =120×65100=78
Male teachers =78×23=52
Female teachers =78−52=26
Administrative officials =120−78=42
Female officials =42×514=15
Male officials =42−15=27
Girls =800×45100=360
Girls who speak Hindi only =3605=72
Girls who speak Hindi and English =360−72=288
Boys =800−360=440
Boys who speak Hindi only =440×34=330
Boys who speak Hindi and English =110
Required difference =15+26−27=14