exam
Maths Puzzle
Numerical Ability
I need help with the following
Given U = {18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}, A = {21, 23, 25, 27, 29}, and B = {26, 27, 28, 29}. Find A′ U B′.
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In how many different ways can two black cards be drawn from a standard deck of cards? Assume that the order of the cards matters.
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