exam Maths Puzzle Numerical Ability

negative six a equals 54

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Social Science: In a town election, the winning candidate had 220 more votes than the loser. If 810 votes were cast in all, how many votes did each candidate recieive?

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a rock falls from a tower that is 176ft high. as it is falling , its height is given by the formula h=176-16t^2. how many seconds will take for the rocks to hit the ground (h=0)?