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A gardener is going to plant 2 red rosebushes and 2 white rosebushes. If the
gardener is to select each of the bushes at random, one at a time and plant
them in a row, what is the probabilitythat the 2 rosebushes in the middle of
the row will be thw red ones?
Ans: 1/6
Three friends are playing a game in whicheach person simultaneously displays
one of three hand signs: a clenched fist, an open palm, or two extended fingers.
How many different combinations of the signs are possible?
Ans:10
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