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Permutations — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSPermutations2 Marks
Question
Twelve students complete in a race. In how many ways first three prizes be given?
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Answer

Clearly, the total number of ways to select first three prizes is equal to the 3 students from 12 students. $\therefore$ Number of ways to select the three prizes = 12 × 11 × 10 = 1320

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