5.
Ten students are participating in a race. In how many
ways can the first three prizes be won ?
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4
Answer:
Ten students are participating in the race.
Now, First price can go to any of the 10 students
second price can go to any of the remaining 9 students
third price can go to any of the remaining 8 students
Therefore, total number of ways = 10×9×8 = 720
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Well .. the students will have to pass through a rope when they finish. Whoever touches the ribbon/rope first, will be decalred as the winner.. likewise 2nd and 3rd winners will be calculated..
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