allery100 ਲੋਕਾਂ ਵਿੱਚੋਂ, 65 ਹਿੰਦੀ ਬੋਲਦੇ ਹਨ, 55 ਅੰਗਰੇਜ਼ੀ ਬੋਲਦੇ ਹਨ ਅਤੇ 20 ਦੋਵੇਂ ਬੋਲਦੇ ਹਨ। ਕਿੰਨੇ ਲੋਕ ਸਿਰਫ਼ ਹਿੰਦੀ ਬੋਲਦੇ ਹਨ?
A35
B50
C45
D40
Answer & Solution
Correct answer: C. 45
ਸਿਰਫ਼ ਹਿੰਦੀ ਬੋਲਣ ਵਾਲੇ ਉਹ ਹਨ ਜੋ ਹਿੰਦੀ ਸਰਕਲ ਵਿੱਚ ਓਵਰਲੈਪ ਤੋਂ ਬਾਹਰ ਹਨ: 65 - 20 = 45।
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