exam Maths Puzzle Numerical Ability

Please help!! I have spent an hour trying to figure this one out.

e/x=x/2-1 that is e to the x equals x squared minus 1

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exam Other Question

Please help with this problem.

What is the probability of choosing a man that is wearing a hat. There are 20 men with hats, 30 men without hats, 25 women with hats, and 10 women without hats. Find the dimensions of a right triangle if the area is 120 square units and one leg is 4 more than twice the other leg.

Please help!!