exam Maths Puzzle Numerical Ability

x^2-4x+2 = 0
5x^2 - 2 = 2x
3x^2 - 6x = 2

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exam Other Question

A painter works on a job for 10 days and is then joined by her helper. Together they finish the job in 6 more days. Her helper could have done the job alone in 30 days. How long would it have taken the painter to do the job alone? The drama club sold 1,500 tickets for the end-of-year-performance. Admission prices were $12 for adults and $6 for students. The total amount collected at the box office was $16,200. How many students attended the play?