Find the number of different arrangements of the letters of the word BANANA.
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13 questions
In how many ways can a gold, a silver and a bronze medal be awarded to of runners?
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In how many different orders can people stand in a line for a photograph?
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How many -letter codes can be made from different letters if no letter may be used more than once?
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Find the number of different arrangements of the letters of the word LETTER.
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Eight runners finish a race with no ties. In how many different orders can they finish?
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In how many ways can different books be arranged in a row on a shelf?
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is equal to
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The number of arrangements of the letters AABB is
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Find the number of different arrangements of the letters of the word STATISTICS.
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Find the number of different arrangements of the letters of MISSISSIPPI.
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Find the number of different arrangements of the letters of the word NEEDLESS.
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Seven beads, red, blue and green, are threaded in a line. Beads of the same colour are identical. How many different patterns are possible?
Salam Academy Original Practice · Proposed mark scheme