8.
Out of 1,200 people, 800 know only English, 50 know only Punjabi and
rest know both languages. Find the per cent of-
(a) people who know only English,
(b) people who know both English and Punjabi.
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Answer:
350 knows both language.
Step-by-step explanation:
total no. of people = 1200
no. of people knows only English = 800
no. of people knows only punjabi = + 50
850
1200-850= 350
350 people knows both language.
I hope it will help you
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