exam Maths Puzzle Numerical Ability

One card is randomly selected from a standard deck of 52 cards. Find the probability of drawing a heart or a face card?

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exam Other Question

Use indirect reasoning to show that an equilateral triangle cannot have a right angle. Ok, Dolly if you're out there I have one more for you and I'll leave you alone.

Solve e^x - e^-x / 2 = -1

I somehow have log 1/2 (-1 + sqroot of 3) ? I think i missed some