exam Maths Puzzle Numerical Ability

William shared his baseball card collection with his friends. He gave 25% to Tom, 1/6 to Hal, and .05 to Joe. If William originally had 60 cards in his collection, how many cards did he have left after sharing with his 3 friends?

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exam Other Question

m/(m-n)(m+n)/n+1/(m+n)^2 Show that the points D(-1,-2),E(2,1) and F(-3,6) are the vertices of a right triangle.