exam Maths Puzzle Numerical Ability

Solve this inequalities: 5x - 54 < 36 - 3x (note there is a line under the less than sign)

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exam Other Question

this is the problem.(3x^4-2x^3+16x-192)/(x^2-8)

i ended up getting this answer x^3(3x-2) + 16(x-12) A dealer sells an article for RS 75/- and gains as much percent as the cost price of article.Find the cost of the article?