allery100 લોકોમાંથી, 65 હિન્દી બોલે છે, 55 અંગ્રેજી બોલે છે અને 20 બંને ભાષા બોલે છે. ફક્ત હિન્દી બોલતા લોકો કેટલા છે?
A35
B50
C45
D40
Answer & Solution
Correct answer: C. 45
ફક્ત હિન્દી બોલનારા એ લોકો છે જે ઓવરલેપની બહારના હિન્દી વર્તુળમાં છે: 65 - 20 = 45.
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