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8. Out of 1,200 people, 800 know only English, 50 know only Punjabi andrest know both languages. Find the per cent of-(a) people who know only English,(b) people who know both English and Punjabi.​

Answer»

otal NUMBER of PEOPLE = 1,200People that KNOW English = 800People that know PUNJABI = 50Who knows both Languages = 1200 - 850 => 350.i) Percentage of people who know only English.→ → 8/12 × 100%→ 66.666... = 66 ⅔ %ii) Percentage of people who know both English and Punjabi→ → 7/24 × 100%→ 29.16 = 29⅙ %.Hope it helps you ✌️



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