book Maths Puzzle Numerical Ability

Can you help me with this problem? Two cards are drawn from a standard deck of cards. Find the probability.
P(1 heart, 1 club)

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book Other Question

an algebraic expression for the quantities being compared. The length of the rectangle is 9 inches more than double the width. In the period of a year, an investor lost twica as much as he gained. If he originally had $10,000and now has $20,000, what amount did he gain and what did he lose?