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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Suppose 8 people enter an event in a swimming meet. In how many ways could the gold, silver and bronze prizes be awarded?

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Question

Suppose 8 people enter an event in a swimming meet. In how many ways could the gold, silver and bronze prizes be awarded?

Sum
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Solution

From 8 persons we have to select and arrange 3 which can be done in 8P3 ways
So the prizes can be awarded in 8P3 = 8 × 7 × 6 = 336 ways

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Chapter 4: Combinatorics and Mathematical Induction - Exercise 4.2 [Page 177]

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Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 4 Combinatorics and Mathematical Induction
Exercise 4.2 | Q 3. (i) | Page 177

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