exam Maths Puzzle Numerical Ability

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Find the reciprocal of 1/3(9-4)

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exam Other Question

A 35-kg trunks is dragged 10 m up a ramp inclined at an angle of 12 degrees to the horizontal by a force of 90 N applied at an angle of 20 degrees to the ramp. At the top of the ra 3x^2+16x-5<0