Question

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

Answer 1

Answer:

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Answer 2

$a) \\ \\ then \\ \\ people \: who \: know \: only \: english \: = \frac{800}{1200} \times 100 \\</p><p></p><p> = \frac{8}{12} \times 100 \\</p><p></p><p> = \frac{2}{3} \times 100 \\ = 2 \times 33.333 \\ = 66.67\% \\ \\ \\ b) \: people \: who \: know \: both \: english \: and \: punjabi \: \\ = 1200 - 800 - 50 = 350 \\ \\ then \\ \\ \ = \frac{350}{1200} \times 100\\ = \frac{35}{120} \times 100 \\ = 0.2916 \times 100 \\ = 29.1667\% \\ \\ \\ hope \: this \: will \: help \: u \: \\ \\ mark \: as \: brainliest \: answer \: please \: my \: friend \:$