Question
In a certain code of language, ‘+’ represents
‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘ what is the answer of following expression; 40 + 12 ÷ 280 x 14 – 77 ÷ 200 x 4 ÷ 6 + 4 = ?Solution
40 + 12 ÷ 280 x 14 – 77 ÷ 200 x 4 ÷ 6 + 4 40 x 12 – 280 ÷ 14 + 77 – 200 ÷ 4 – 6 x 4 40 x 12 – 20 + 77 – 50 – 6 x 4 480 – 20 + 77 – 50 – 24 = 463
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I). 2p 2 – 13p + 21 = 0
II). q 2 – 10q + 24 = 0
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